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Keywords: ct
MO-A-TRACK 6-3Head, Shoulders, Knees, and Toes: Towards Full Body Upright Cone-Beam CT Imaging
T Reynolds*, O Dillon, R O'Brien, ACRF Image X Institute, University of Sydney,Sydney, NSW, AU
MO-AB-TRACK 5-0New Developments in Flash RT
S Krishnan1*, P Montay-gruel2*, M Kim3*, C Desrosiers4*, A Mascia5*, (1) MD Anderson Cancer Center, Houston, TX, (2) Uc Irvine Health, (3) University of Pennsylvania, Philadelphia, PA, (4) University Hospital, Zionsville, IN, (5) University of Cincinnati Medical Center, Cincinnati, OH
MO-B-TRACK 6-4Principal Component Analysis of Quantitative Computed Tomography Features and Visual Emphysema Scores: Association with Lung Function Decline
M Koo1*, W Tan2, J Hogg2, J Bourbeau3, C Hague2, J Leipsic2, and M Kirby1,2 for the CanCOLD Collaborative Research Group and The Canadian Respiratory Research Network, (1) Ryerson University, Toronto, ON, CA, (2) Centre For Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, CA, (3) McGill University Health Centre Research Institute, McGill University, Montreal, QC, CA
MO-EF-TRACK 4-1Design and Performance of the ARIEL X-Ray FLASH Irradiation Platform at TRIUMF
N Esplen1*, L Egoriti2, B Paley3, T Planche3, C Hoehr3, A Gottberg3, M Bazalova-Carter1, (1) University of Victoria, Victoria, BC (2) University Of British Columbia, Vancouver, BC (3) TRIUMF, Vancouver, BC
MO-EF-TRACK 4-2Electron FLASH in Clinical Setting: LINAC Conversion, Commissioning and Treatment Planning
M Rahman1*, M Ashraf1, D Gladstone1,2,3, P Bruza1, L Jarvis2,3, P Schaner2,3, X Cao1, B Pogue1,3,4, J Hoopes1,2,3,4, R Zhang1,2,3, (1) Thayer School of Engineering, Dartmouth College, Hanover, NH, (2) Department of Medicine, Radiation Oncology, Geisel School of Medicine, Dartmouth College, Hanover, NH, (3) Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, (4) Department of Surgery, Geisel School of Medicine, Dartmouth College, Hanover, NH
MO-EF-TRACK 4-3Fast 4D-CBCT Reconstruction Using a Novel Feature-Compensated Deformable Convolutional Network (FeaCo-DCN)
Z Jiang1*, Y Chang2, Z Zhang3, F Yin4, L Ren5, (1) Duke Univeristy, Durham, NC, (2) Duke University, Durham, NC, (3) Duke Univeristy,Durham, NC, (4) Duke University, Durham, NC, (5) Duke University, Durham, NC
MO-EF-TRACK 4-9Non-Circular Orbits On a Clinical Robotic C-Arm for Reducing Metal Artifacts in Orthopedic Interventions
Y Ma1*, T Reynolds2, G Gang1, O Dillon2, T Russ3, W Wang1, T Ehtiati4, C Weiss1, N Theodore1, J Siewerdsen1, R O'Brien2, J Stayman1, (1) Johns Hopkins University, Baltimore, MD, (2) ACRF Image X Institute, University of Sydney, Sydney, NSW, AU, (3) Heidelberg University, Mannheim, GER, (4) Siemens Healthineers, Forchheim, GER
MO-IePD-TRACK 1-2Quantitative Evaluation of Intra- and Inter-Modal Deformable Image Registration of CT and MR Images for Heart, Left-Ventricle and Thoracic Aorta
A Omidi1*, E Weiss2, J Wilson1,3, M Rosu-Bubulac2, (1) Biomedical Engineering Department, Virginia Commonwealth University, Richmond, VA, (2) Radiation Oncology Department, Virginia Commonwealth University, Richmond, VA, (3) Pauley Heart Center, School of Medicine, Virginia Commonwealth University, Richmond, VA
MO-IePD-TRACK 1-5Estimating Bone Densities Using a Cadmium Zinc Telluride Photon Counting Detector
J Nguyen1*, D Richtsmeier1, K Iniewski2, M Bazalova-Carter1 (1) University of Victoria, Victoria, BC, CA (2) Redlen Technologies, Saanichton, BC, CA
MO-IePD-TRACK 1-6Implementation of Detailed Monte Carlo Simulation for Semiconductor Detectors Using the PENELOPE Code
H Mendes*, A Tomal, University Of Campinas
MO-IePD-TRACK 1-7Impact of Flexible Noise Control (FNC) Processing Parameters On Image Quality: A Chest Phantom Study
L Ren*, T Daly, K Loewen, B Schueler, Z Long, Mayo Clinic, Rochester, MN
MO-IePD-TRACK 2-1Dedicated Cone-Beam Breast CT with Offset-Detector: Estimates of Mean Glandular Dose (MGD) with Heterogeneous Tissue Distribution and Real Breast Shapes From Clinical Datasets
H Tseng*, A Karellas, S Vedantham, University of Arizona, Tucson, AZ
MO-IePD-TRACK 2-3Fetal Dose in Body CT: Z-Axis Dose Profile Based Calculation Compared to Monte Carlo Simulation
X Li*, K Yang, B Liu, Massachusetts General Hospital, Boston, MA
MO-IePD-TRACK 2-5Direct Measurement of CTDIw On Helical CT Scans
K DePew*, R Boggs, M Yester, G Barnes, University of Alabama-Birmingham, Birmingham, AL
MO-IePD-TRACK 3-1A Hybrid Approach for Correcting CBCT by Exploiting Individual Strength of Deep Learning and Deformable Registration
J Uh*, C Wang, S Acharya, C Hua, St. Jude Children's Research Hospital, Memphis, TN
MO-IePD-TRACK 3-4High-Quality CBCT Reconstruction From Sparse and Limited-Size Projections Using a Joint Deformable Registration and Reconstruction Network (Reg-ReconNet)
Y Zhang*, UT Southwestern Medical Ctr at Dallas, Dallas, TX
MO-IePD-TRACK 3-5Physics-Based Motion Artifact Simulation in CT/CBCT Images Using 4DCT Phases
S Alam1*, T Li1, S Zhang2, P Zhang1, S Nadeem1, (1) Memorial Sloan Kettering Cancer Center, New York, NY, (2) Peking University Cancer Hospital & Institute
MO-IePD-TRACK 3-7Thoracic CBCT-Based Synthetic CT for Lung Stereotactic Body Radiation Therapy
Y Lei*, L Qiu, A Kesarwala, J Roper, K Higgins, J Bradley, T Liu, X Yang, Emory Univ, Atlanta, GA
MO-IePD-TRACK 4-1Automatic Liver Tumor Localization Using a Combined Deep Learning and Biomechanical Model (DL-Bio)
H Shao1*, X Huang2, M Folkert3, J Wang4, Y Zhang5, (1) The University of Texas Southwestern Medical Center, Dallas, TX, (2) Northwestern memorial hospital, Chicago, IL, (3) The University of Texas Southwestern Medical Center, Dallas, TX, (4) UT Southwestern Medical Center, Dallas, TX, (5) UT Southwestern Medical Ctr at Dallas, Dallas, TX
MO-IePD-TRACK 4-1Evaluation of Cone-Beam Computed Tomography-Based Radiomic Features Reproducibility: A Phantom Study
T Adachi1,2*, M Nakamura1,2, H Iramina2, T Mizowaki2, (1) Division of Medical Physics, Department of Information Technology and Medical Engineering, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan, (2) Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
MO-IePD-TRACK 4-2Graph Theory-Based Radiomics Features: Application of Tumor Network Structures On CT-Based Radiomics for Prognostic Prediction
M Umeda*, N Kadoya, S Tanaka, S Tanabe, Y Sugai, T Ishida, H Ohashi, S Dobashi, K Takeda, K Jingu, Tohoku University, Sendai, JP
MO-IePD-TRACK 4-3Investigation of the Sensitivity of Ventilation Accuracy to the Deformable Image Registration Regularization Parameter
H Byrne1,3*, J Kipritidis2, O Dillon1, J Booth2,3, P Keall1, (1) ACRF ImageX Institute, Faculty of Medicine and Health, The University of Sydney, Australia, (2) Northern Sydney Cancer Centre, Royal North Shore Hospital, Australia, (3) Institute of Medical Physics, School of Physics, University of Sydney, Australia
MO-IePD-TRACK 4-5Training An Unsupervised Deformable Image Registration Model with Thoracic Fast, Low-Dose Helical CT Acquisitions
R Savjani1,3*, P Paysan2, D O'Connell1, J van Heteren3, S Scheib2, D Low1, (1) University of California Los Angeles, Los Angeles, CA (2) Varian Medical Systems Imaging Laboratory, Baden - Daettwil, CH (2) Varian Medical Systems Imaging Laboratory, Baden - Palo Alto, CA (3)
MO-IePD-TRACK 4-5Exploratory Unsupervised Structure-Learning Based Radiomics Approach for Brain Metastases Treatment Response Modeling of Stereotactic Radiosurgery
Z Yang1*, L Wang2, M Chen1, R Timmerman1, T Dan1, Z Wardak1, W Lu1, X Gu1, (1) UT Southwestern Medical Center, Dallas, TX, (2) University Of Texas At Arlington, Arlington, TX
MO-IePD-TRACK 4-6CT-Based Deep Learning Radiomics for Predicting Chemoradiation Treatment Response in Locally Advanced Rectal Cancer
J Fu1*, Z Wang1, K Singhrao1, J Lewis2, X Qi1, (1) Department of Radiation Oncology, UCLA, Los Angeles, CA, (2) Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA
MO-IePD-TRACK 5-4Analysis of Time Dependency of NTCP Modeling and Dose-Volume Correlations of Patient Reported Xerostomia After HPV Associated Oropharyngeal Cancer
P Mavroidis1*, A Tzikas2, E Lavdas2, R Amdur3, W Mendenhall3, N Sheets1, R Green1, L Marks1, S Das1, B Chera1, (1) University of North Carolina, Chapel Hill, NC, (2) University Of West Attica, Department Of Biomedical Sciences, Athens, Greece, (3) University of Florida Hospitals, Gainesville, FL
MO-IePD-TRACK 5-5Identifying Correlations Between Radiation Dose and Blood Counts Drops After Radiotherapy of Prostate Cancer
P Papanikolaou1*, G Swanson2, S Stathakis3, P Mavroidis4, (1) Long School of Medicine, UT Health San Antonio, San Antonio, TX,(2) Baylor Scott & White Health, Temple, TX,(3) UT Health San Antonio MD Anderson Cancer Center, San Antonio, Texas, (4) University of North Carolina, Chapel Hill, NC
MO-IePD-TRACK 6-5Geometry Optimization and Optical Sectioning for In-Water Cherenkov Dosimetry of Large and Small Photon Beams
Y Zlateva1*, B Muir2, I El Naqa3, J Seuntjens4, (1) Duke University, Durham, NC, (2) National Research Council, Ottawa, ON, (3) Moffitt Cancer Center, Tampa, FL, (4) McGill University, Montreal, QC
MO-IePD-TRACK 6-5Survival Prediction of Locally Advanced Non-Small Cell Lung Cancer Via Machine Learning Techniques Based On Multi-Region Radiomics Features and Clinical Risk Factors
R Nishioka1, D Kawahara2, N Imano2, Y Nagata1,3(1)Medical and Dental Sciences Course, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hirohima, JP(2)Department of Radiation Oncology, Graduate School of Biomedical Health Sciences, Hiroshima University Hirohima, JP(3)Hiroshima High-Precision Radiotherapy Cancer Center Hirohima, JP
MO-IePD-TRACK 6-6Optimal Combination of Spatial and Temporal Fractionation for the Treatment of Multiple Brain Metastases
N Torelli1*, D Papp2, J Unkelbach1, (1) University Hospital Zurich, Zurich, ZH, CH, (2) North Carolina State University, Raleigh, NC
MO-IePD-TRACK 6-7Evaluation of a New High-Resolution Digital Detector Array for SRS and SBRT Quality Assurance
A Rusnak1*, C Collins2, Z Saleh1,2, G Cardarelli1,2, E Klein1,2 and Y Yang1,2, (1) Brown University, Providence, RI, (2) Rhode Island Hospital, Providence, RI
PO-GePV-E-1A Chatbot for the Staff in Radiotherapy Using Artificial Intelligence and Machine Learning
K Li1, J Chow2*, (1) York University, Toronto , ON, CA, (2) Princess Margaret Cancer Centre, Toronto, ON, CA.
PO-GePV-E-4Development of Diagnostic X-Ray Sources – A Multi-Vendor Overview
R Behling*, XtraininX - Behling Technical Consulting, Norderstedt, DE
PO-GePV-E-17Brain Functional Connectivity Reveals RTMS Effectiveness Pain Reduction in Non-Specific Chronic Low Back Pain Patients
M Masoumbeigi1*, N Riyahi-Alam1;2, R Kordi3;4, M Rostami5, A Jafari1, A Rahimiforoushani6, H Hashemi7, (1) Medical Physics and Biomedical Engineering Department, School of Medicine, Tehran University of Medical Sciences ,Tehran, ,Iran, (2) PERFORM Preventive Medicine and Health Care Centre, Concordia University, Montreal, Quebec, Canada (3) Sports Medicine Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran(4) Sport Medicine Research Center, Neuroscience institute, Tehran University of Medical Sciences, Tehran, Iran (5) Neurosurgery Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran (6) Epidemiology and Biostatistics Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran (7) Radiology Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
PO-GePV-I-13Evaluation of Coronary CTA On the Anomalies Origin of Coronary Artery: Location, Types, and Hemodynamic Variation
H Zhao*, w jiao, Q Liu, J Qiu, Shandong First Medical University & Shandong Academy Of Medical Sciences,Tai'an,CN
PO-GePV-I-15Evaluating Motion Correction in a Commercial Subtraction CT Registration Algorithm
A Heshmat*, I Barreto, L Rill, M Arreola, University of Florida, Gainesville, FL
PO-GePV-I-17Beam-Shaping Filter and Dosimetric Characterization of the Airo Mobile CT Scanner
A Siddique*, Q Chen, J Zhang, University of Kentucky, Lexington, KY
PO-GePV-I-18CT Image Standardization for Radiomic Feature Enhancement in Non-Small Cell Lung Cancer
M Selim1*, J Chen2, B Fei3, G Zhang4, J Zhang5, (1) University Of Kentucky, ,,(2) University Of Kentucky, ,,(3) University of Texas (UT) at Dallas and UT Southwestern Medical Center, Richardson, TX, (4) Uthealth, ,,(5) University of Kentucky, Lexington, KY
PO-GePV-I-21Sparse-View CT Reconstruction Via Generative Adversarial Network (GAN) Using Fully Convolutional DenseNet (FC-DenseNet)
I Park*, J Chun, B Choi, S Yoo, J Kim, H Kim / Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea
PO-GePV-M-5Radiation Induced Lung Damage Tissue Segmentation and Classification Framework
A Szmul1*, E Chandy1,4, C Veiga1, A Stavropoulou1, J Jacob1,2, D Landau3, C Hiley4, J McClelland1, (1) Centre for Medical Image Computing, University College London, London, UK, (2) Department of Respiratory Medicine, University College London, London, UK, (3) Guys & St Thomas NHS Foundation Trust, London, UK, (4) Cancer Institute, UCL, London, UK
PO-GePV-M-6Hybrid Approach of Auto-Segmentation Based On Pixel Level Edge Detection
D Tewatia1*, R Tolakanahalli2, RW Pyzalski3, (1) University of Wisconsin-Madison, Madison, WI, (2) Miami Cancer Institute, Miami, FL, (3) Retiree of University Of Wisconsin-Madison, Madison, WI
PO-GePV-M-7Performance of a Convolutional Neural Network-Based Algorithm for Automatic Segmentation of the Whole Heart in Non-Contrast Radiotherapy Planning CTs with Image Artifacts
D Mehta1*, B Park2, J Jung3, M Mille4, B Ky5, W Kenworthy6, C Lee7, Y Yeom8, W Bosch9, S MacDonald10, O Cahlon11, J Bekelman12, C Lee13, (1) East Carolina University, (2) East Carolina University, (3) East Carolina University, Greenville, NC, (4) National Cancer Institute, Bethesda, MD, (5) University of Pennsylvania, Philadelphia, PA, (6) University of Pennsylvania, Philadelphia, PA, (7) University of Michigan, Ann Arbor, MI, (8) National Cancer Institute, Rockville, MD, (9) Washington University, Saint Louis, MO, (10) (11) New York, NY, (12) University of Penn, Philadelphia, PA, (13) National Cancer Institute, Rockville, MD
PO-GePV-M-16Predicting Successful Clinical Candidates for Marker-Less Lung Tumor Tracking with a Deep Learning Classification Model
M Lafreniere*, G Valdes, M Descovich, University of California San Francisco, San Francisco, CA
PO-GePV-M-18Using CNNs to Extract Standard Structure Names While Learning Radiomic Features
W Sleeman*, P Bose, P Ghosh, J Palta, R Kapoor, Virginia Commonwealth University, Richmond, VA
PO-GePV-M-19CNN-Based Clinical-Dose to Low-Dose CT Simulator
S Tunissen*, J Teuwen, I Sechopoulos, Radboud University Medical Center, Nijmegen, The Netherlands
PO-GePV-M-21Deep Transfer Learning for the Multi-Label Classification of COVID-19 Presentation On Thoracic CT Scans
D Tada*, J Fuhrman, F Li, M Giger, University of Chicago, Chicago, IL
PO-GePV-M-22Deep Learning–based COVID-19 Pneumonia Classification Using Chest CT Images: Model Generalizability
D Nguyen1,2,a*, F Kay3, J Tan2, Y Yan2, Y Ng3, P Iyengar2, R Peshock3, S Jiang1,2,a, (1) Medical Artificial Intelligence and Automation (MAIA) Laboratory, UT Southwestern Medical Center, Dallas, TX, USA, (2) Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, USA, (3) Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA, (a) Co-correspondence authors: {Dan.Nguyen, Steve.Jiang}@UTSouthwestern.edu
PO-GePV-M-26A Multiple Modality Comparison of Radiomic Features for Prostate Cancer
R Delgadillo*, B Spieler, J Ford, D Kwon, F Yang, M Studenski, K Padgett, M Abramowitz, A Dal Pra, N Dogan, University of Miami, Miami, FL
PO-GePV-M-27Group-Lasso Regularized Artificial Neural Network for Embedded Feature Selection in Radiomics Study On Pediatric Patients with Craniopharyngioma Treated with Proton Therapy
W Yang*, C Hua, T Davis, J Uh, T Merchant, St. Jude Children's Research Hospital, Memphis, TN
PO-GePV-M-30Low-Dose CT Images Denoising Integrating Machine Learning and Optimization
Q Xu*, Q Lyu, K Sheng, UCLA School of Medicine, Los Angeles, CA
PO-GePV-M-36Probabilistic Feature Extraction, Dose Statistic Prediction and Dose Mimicking for Automated Radiation Therapy Treatment Planning
T Zhang1, 2*, R Bokrantz2, J Olsson1, (1) Department of Mathematics, KTH Royal Institute of Technology, Stockholm SE-100 44, Sweden (2) RaySearch Laboratories, Sveavagen 44, Stockholm SE-103 65, Sweden
PO-GePV-M-40Radiomics Analysis Improves Machine Learning Models Assessing Chronic Obstructive Pulmonary Disease
R Au1*, K Makimoto1, W Tan2, J Bourbeau3, J Hogg2, M Kirby1, (1) Ryerson University, Toronto, ON, CA, (2) Centre For Heart Lung Innovation, University Of British Columbia, Vancouver, BC, CA, (3) McGill University, Montreal, QC, CA
PO-GePV-M-42A Machine Learning Classifier for Predicting Recurrence in Oropharyngeal Cancer
T Chinnery*, P Lang, A Nichols, S Mattonen, Western University, London, ON
PO-GePV-M-47Robustness and Performance of Radiomic Features in Diagnosing Cystic Renal Masses
A Konik1*, N Miskin2, Y Guo3, A Shinagare4, L Qin5, (1) ,Boston, MA, (2) ,,,(3) ,,,(4) Brigham And Women's Hospital, ,,(5) Dana-Farber Cancer Institute, Boston, MA
PO-GePV-M-50Predicting Overall Survival of Patients with Glioma Via A Novel Framework Consisting of Two-Phase Feature Selection and Fused Regression Forest
H Chen1*, Y Liu2, X Qi3, (1) Xi'an University of Posts and telecommunications, Xi'an, 61, CN, (2) Xi'an University of Posts & Telecommunications, Xi'an, 61, CN, (3) UCLA School of Medicine, Los Angeles, CA
PO-GePV-M-53Multi-Modality (PET/CT) Radiomics Based Recurrence Prediction in Head and Neck Cancers Prior to Radiotherapy
M Schelin*, R Sheu, R Bakst, J Junn, Y Yuan, The Mount Sinai Hospital, New York, NY
PO-GePV-M-65A First In-Phantom Quantitative Concept Validation for a Prospective Respiratory Signal-Guided 4D CT Protocol
A Boschini1*, M Fusella2, S Sapignoli2, M Paiusco2, (1) AULSS2 Marca Trevigiana, Treviso, IT, (2) Istituto Oncologico Veneto, Padua ,IT
PO-GePV-M-66Impact of 4DCT Artifacts On Local Control for Lung SBRT
L Rakotondravohitra*, J Adamson, Duke University Medical Center, Durham, NC
PO-GePV-M-69Adaptive Radiation Therapy with Deformable Image Registration and 4D Dose Calculation
I Ali1*, N Alsbou2, S Ahmad1, (1) University of Oklahoma Health Sciences Center, Oklahoma City, OK, (2) Department of Engineering and Physics, University of Central Oklahoma, Edmond, OK,
PO-GePV-M-75Importance of Incorporating Rotational Setup Differences for QACT Dosimetric Evaluations
S Davis*, V Chaswal, R Tolakanahalli, Miami Cancer Institute, Miami, FL
PO-GePV-M-79Comparison of the Efficacy of CT On Rails Versus In-Room CBCT for Online Daily Adaptive Proton Therapy
K Nesteruk1*, M Bobic1, A Lalonde1, H Lee1, G Sharp1, J Verburg1, B Winey1, A Lomax2, H Paganetti1, (1) Massachusetts General Hospital and Harvard Medical School, Boston, MA, (2) Paul Scherrer Institute, Villigen, CH
PO-GePV-M-85Plan Quality and Feasibility of Adaptive CBCT-Guided Prostate and Nodal Volume SBRT
E Laugeman*, A Price, M Prusator, L Henke, B Baumann, Washington University in St. Louis, St. Louis, MO
PO-GePV-M-86Comparison of Online Adaptation and Offline Re-Planning for Head and Neck Intensity-Modulated Proton Therapy
M Bobic1,2*, A Lalonde1, K Nesteruk1, H Lee1, J Verburg1, G Sharp1, B Winey1, A Lomax2,3, H Paganetti1, (1) Massachusetts General Hospital and Harvard Medical School, Boston, MA, (2) ETH Zurich, Zurich, CH, (3) Paul Scherrer Institute, Villigen, CH
PO-GePV-M-91Utilization of the QUART Phantom to Evaluate Imaging Stability of a CBCT-Based Online Adaptive Workflow
A Dare*, K Homann, M Morales Paliza, Vanderbilt University Medical Center, Nashville, TN
PO-GePV-M-92Evaluation of Online Planning Strategies for CBCT-Based Adaptive Radiotherapy for Locally Advanced Lung Cancer
J Kim*, W Mao, I Gallagher, J Riess, S Vance, B Movsas, IJ Chetty, A Kretzler, Henry Ford Health System, Detroit, MI
PO-GePV-M-100Evaluating Impact of Target Location On Intrafraction Target Motion for Lung SBRT
D Lack1*, D To1, J Liang2, M Liu1, I Xhaferllari1, C Stevens2, I Grills2, T Guerrero2, D Yan2, (1) Beaumont Health System, Troy, MI, (2) Beaumont Health System, Royal Oak, MI
PO-GePV-M-102Integrating Temporal Physical and Biological Dose Distribution Analysis in Imaged-Guided Hypofractionated Radiosurgery of High-Risk Brain Lesions
B Ziemer*, M Lafreniere, L Boreta, SE Braunstein, L Ma, University of California San Francisco Department of Radiation Oncology, San Francisco, CA
PO-GePV-M-104Management of Urgent Sim-And-Treat Palliative Cases Via Halcyon KV-ICBCT Images
M Gei*, M Randall, D Pokhrel, University of Kentucky, Lexington, KY
PO-GePV-M-110Dosimetric Impact In Radiation Therapy When Using Dual-Energy CT Reconstructed Virtual Monoenergetic Images In Combination With Clinical Monoenergetic CT-Density Curves
B Broekhoven, W Godwin*, J Peng, D McDonald, M Maynard, K Fallon, G Owen, A Rapchak, Medical University of South Carolina, Charleston, SC
PO-GePV-M-112Evaluation of Larynx Displacements in Pre-Treatment CBCT Scans for a Population of Laryngeal Cancer Patients
A Antolak*, T Gray, N Woody, S Koyfman, P Xia, The Cleveland Clinic Foundation, Cleveland, OH
PO-GePV-M-113Dosimetric Validation of Surface Guided Patient Set-Up for Breast Radiotherapy
A Gopal*, G Lasio, B Zhang, H Xu, S Chen, S Mcavoy, C Decesaris, University of Maryland School of Medicine, Baltimore, MD
PO-GePV-M-118Quantitative Analysis of the Accuracy of CT to CBCT Deformable Image Registration for Contour Mapping for Prostate Cancer
R Schmidt*, N Dogan, J Ford, M Studenski, M Abramowitz, K Padgett, B Spieler, Y Xu, R Delgadillo, University of Miami, Miami, FL
PO-GePV-M-121Deep-Learning Based Auto-Classification of Anatomical Regions for IGRT Applications: Implementation and Explainability
J Cruz Bastida*, S Li, E Pearson, H Al-Hallaq, The University of Chicago, Chicago, IL
PO-GePV-M-122Comparison of KV-CBCT Dose Measurement Techniques for Annual Linac QA
B Rudek, K Osterman*, J Xue, NYU Langone Health, New York, NY
PO-GePV-M-125Characterization of Imaging Performance Of a Novel Helical KVCT System for Use in Image-Guided and Adaptive Radiotherapy
R Tegtmeier*, W Ferris, J Bayouth, W Culberson, University of Wisconsin, Madison, WI
PO-GePV-M-136Feasibility of Diagnostic Dose Fast-Helical Free Breathing CT Scan Protocol for Ventilation Measurement
M Lauria*, B Stiehl, L Naumann, A Santhanam, D O'Connell, K Singhrao, J Goldin, I Barjaktarevic, D Low, University of California, Los Angeles, Los Angeles, CA
PO-GePV-M-137Usefulness of 4DCT-Based Elasticity Map for Function Preserving Liver Radiotherapy Treatment Planning
T Sera*, T Shiinoki, K Fujimoto, Y Yuasa, Y Kawazoe, H Tanaka, Yamaguchi UniversityUbeJP
PO-GePV-M-141Using Previously Registered CBCT Image to Facilitate Online HCT to CBCT Image Registration in Lung Stereotactic Body Radiation Therapy
J Liang*, D Yan, J Wloch, J Sliwinski, I Grills, C Stevens, T Guerrero, Q Liu, William Beaumont Hospital, Royal Oak, MI
PO-GePV-M-143Evaluation of the Displacement of the Target Position Caused by Residual Setup Errors in Stereotactic Radiosurgery with Single-Isocenter Volumetric Modulated Arc Therapy for Multiple Brain Metastases
Y Tsuruta1, 2*, M Nakamura2, M Nakata1, H Hirashima1, D Zhou2, T Fujimoto1, K Takehana1, M Uto1, T Mizowaki1, (1) Kyoto University Hospital, Kyoto-city, ,JP, (2) Kyoto University, Graduate School of Medicine, Kyoto, ,JP
PO-GePV-M-149Left Ventricle Avoidance in Non-Small Cell Lung Cancer Radiotherapy: A Planning Comparison Study
O Chau1,2*, S Gaede1,2, (1) Western University, London, Ontario, CA, (2) London Regional Cancer Program, London, ON, CA
PO-GePV-M-153Analysis of a Surface Imaging System Using a Six Degree of Freedom Couch
X Zhao*, E Covington, A Alexandrian, R Popple, University of Alabama at Birmingham, Birmingham, AL
PO-GePV-M-154Impact of Various Noise Reduction Techniques On Markerless Tumor Tracking in Dual Energy Imaging
M Kaur1*, P Wagstaff1, H Mostafavi2, M Lehmann2, D Morf2, L Cortesi2, L Zhu2, H Kang1, M Harkenrider1, J Roeske1, (1) Loyola University, Chicago, IL, (2) Varian Medical Systems, Palo Alto, CA
PO-GePV-M-161Clinical Performance of a New Commercial Surface Imaging System for Frameless Stereotactic Radiosurgery
E Covington*, D Stanley, J Fiveash, R Popple, University of Alabama-Birmingham, Birmingham, AL
PO-GePV-M-168Synthetic Lung MRI for Auto-Segmentation Using Unet Training: Supervised Cross-Domain Adaptation From CT to MRI
Y Liu*, J Jiang, N Tyagi, H Veeraraghavan, G Li, J Deasy, L Cervino, Memorial Sloan Kettering Cancer Center, New York, NY
PO-GePV-M-188Geometric Accuracy of Spiral FLAIR for Treatment Planning in Stereotactic Radiosurgery: A Preliminary Study
Z Li1*, S Srivastava2, J Karis1, (1) Barrow Neurological Institute, Phoenix, AZ, (2) Dignity Health, Phoenix, AZ
PO-GePV-M-200The Feasibility Study of In-Vivo Detection of Retained Gadolinium in Brain and Bone Using Magnetic Resonance Imaging (MRI) and K X-Ray Fluorescence (K-XRF) Systems
F Mostafaei1*, A Arbab1, J Barrett1, H Nie2, A Maghsoodpour1, A Bosomtwi1, A Al-Basheer1, (1) Augusta University, Department of Radiation Oncology, Augusta, GA, (2) Purdue Univ, West Lafayette, IN
PO-GePV-M-214Geometric and Dosimetric Impact of 3D Generative Adversarial　network-Based Metal Artifact Reduction Algorithm On VMAT and IMPT for the Head and Neck Region
M Nakamura1*, M Nakao2, K Imanishi3, H Hirashima1, Y Tsuruta1,4, (1)Graduate School of Medicine, Kyoto University,(2)Graduate School of Informatics, Kyoto University,(3)e-Growth Co., Ltd.,(4)Kyoto University Hospital
PO-GePV-M-217Foreign Bodies Detection in Pediatrics with Low Dose CT
M Aljallad1*, (1) West County Radiology, St. Louis, MO
PO-GePV-M-218Magnetic Particle Spectrometer for Diagnosis of Magnetic Nanoparticles
M Irfan1, N Dogan1, A Bingolbali2*, (1) Gebze Technical University, Gebze/Kocaeli, TR, (2) Yildiz Technical University, Istanbul, TR
PO-GePV-M-228Quantification of Spinal Bone Marrow Fat Fraction Using Three-Material Decomposition Technique On Dual-Energy CT: A Feasibility Study
B Li*, N Hua, J Li, V Andreu-arasa, C Lebedis, S Anderson, Boston University Medical Center, Boston, MA
PO-GePV-M-232Clinical Evaluation Study of Image Guided Radiotherapy (IGRT) for Prostate Cancer Comparing Kv Imaging of Fiducial Markers and Cone Beam Computed Tomography (CBCT) Using SpaceOAR-View as a Matching Structure
R Mghari*, I Pataki, K Keene, Cape Fear Valley Medical Center, Holly Springs, NC
PO-GePV-M-237Interpretable Artificial Intelligence-Based Extracapsular Extension Prediction in Head and Neck Cancer Analysis
Y Wang1, W Duggar2*, T Thomas2, P Roberts2, R Gatewood2, L Bian1, H Wang1, (1) Mississippi State University, (2) University of Mississippi Med. Center
PO-GePV-M-240Dual-Energy Subtraction Efficiency: Development of An Objective Quality Metric for Tissue-Subtraction Radiography
S Lopez Maurino1*, K Karim2, (1) KA Imaging Inc, Waterloo, ON, CA, (2) University of Waterloo, Waterloo, ON, CA
PO-GePV-M-243Multi-Scale Deep Learning CT Liver and Spleen Segmentation Network for Radiation-Induced Toxicity Outcomes Analysis
R Haq*, I Onochie, A Apte, M Thor, J Deasy, Memorial Sloan-Kettering Cancer Center, New York, NY
PO-GePV-M-255Ventilation Measurements From Free-Breathing CT
D Low1*, D O'Connell1, M Lauria1, B Stiehl1, L Naumann1, P Lee2, J Hegde1, I Barjaktarevic1, J Goldin1, A Santhanam1, (1) UCLA, Los Angeles, CA, (2) M.D. Anderson Cancer Center, Houston, TX
PO-GePV-M-264Local Temperature as a Surrogate of Inflammatory State Induced by Skin Irritant
R Culcasi1,2*, M Snyder2, (1) Beaumont Hospital, Royal Oak, MI, (2) Wayne State University, Detroit, MI
PO-GePV-P-7Automatic Parameter Extraction From Scanners to Wiki for CT Protocol Management 
L Qin1*, K McCall2, P Dipiro1, (1) Dana-Farber Cancer Institute, Boston, MA, (2) Henry Ford Health System, Detroit, MI
PO-GePV-P-22Recommendations for Treatment Planning Dose Indices for Single-Isocenter Single Target VMAT Brain Stereotactic Radiosurgery/Radiotherapy; A Retrospective Analysis
D Pearson, D Newell*, K Joseph, University of Toledo, Toledo, OH
PO-GePV-P-37Retrospective MR Image Review of Stereotactic Radiosurgery for Up to 7 Metastases
K Dou1*, M Jacobs2, A Halthore2, C Okoye2, F Lerma1, J Rodger1, C Rosen1, (1) MedStar Health, Mercy Medical Center, Baltimore, MD, (2)Mercy Medical Center, Baltimore, MD
PO-GePV-T-21A Comparison of Surgical Bed Biologically Effective Dose From Permanently Implanted Collagen Tile Embedded Cs-131 Brachytherapy Vs Stereotactic Radiosurgery in Patients with Resected Brain Tumors
A Turner*, M Choi, D Brachman, GT Medical Technologies, Tempe, AZ
PO-GePV-T-30Investigation of Impact of Systematic Errors in Applicator Reconstruction On Doses of Organs at Risk and Target Volumes in Intracavitary Brachytherapy
G Singh1*, A Mourya2, B SINGH3, D Thaper4, R Kamal4, A Oinam1, V Kumar3, B Rai1, (1) Post Graduate Institute of Medical Education and Research, ,Chandigarh, IN, (2) Banaras Hindu university, Varanasi, UP, IN, (3) Centre for Medical Physics, Punjab University, Chandigarh, IN, (4) ILBS, Delhi, IN
PO-GePV-T-36Variability of Bremsstrahlung Among Modern Detectors in Total Skin Electron Treatment
S Kucuker Dogan*, M Gopalakrishnan, I Das, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL
PO-GePV-T-37Verification of Electron Beam Energy Stability
J Foy*, S Kucuker Dogan, M Gopalakrishnan, I Das, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL
PO-GePV-T-39Real-Time in Vivo Dosimetry for Electron Beam Therapy Using Amorphous Silicon Based Flexible Thin Film Combined with Scintillating Powder
S Jeong*, Y Kwon, S Park, D Shin, Y Lim, J Jeong, H Kim, W Cheon, S Lee, National Cancer Center, Goyang-si,, 41KR,
PO-GePV-T-40Evaluating a Commercial Electron Monte Carlo Algorithm Using Oblique Incidence and Irregular Surfaces Present On Custom Wax Phantoms
E Cichewicz*, E Salari, E Parsai, University of Toledo Medical Center, Toledo, OH
PO-GePV-T-41Development of a Software Tool for FLASH Dose and Dose Rate Optimization for IntraOp Mobetron
A Ayan*, D Blakaj, A Chakravarti, N Gupta, J Woollard, Ohio State Univ, Dublin, OH
PO-GePV-T-43Analog FLASH Pulse Integration Using An External Diode Circuit
J Vadas1*, R Halford2, G Wilson1, D Yan1, M Snyder1, (1) Beaumont Health, Royal Oak, MI, (2) Beaumont Hospital, Dearborn, MI
PO-GePV-T-45Creation and Validation of An Interactive Electron Cutout Library in a Clinical Environment
M Keohane1*, K Crotteau2, A Riegel3, (1) Hofstra University, New York, NY, (2) Hofstra University/Northwell Health, Hempstead, NY, (3) Northwell Health, Lake Success, NY
PO-GePV-T-46A Thorough Validation of Electron Monte-Carlo Dose Calculation Algorithm and Generation of Correction Factors for Independent Monitor Units Hand Calculations in Clinic
A Skinner1*, S Souri2, J Baker3, E Sudentas4, G Gill5, (1) ,Hempstead, NY, (2) NewYork-Presbyterian, Great Neck, NY, (3) Northwell Health and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Lake Success, New York, (4) Mount Sinai West, New York, NY, (5) New York Presbyterian-Queens, Flushing, New York
PO-GePV-T-47A Monte Carlo Study of Patient Dose Distributions Between Stanford Six-Field and Rotational Techniques in Total Skin Electron Therapy
G Ding1*, Z Chen2, W Zhong3, T Zhu3, (1) Vanderbilt University, Nashville, TN, (2) Yale University School of Medicine, New Haven, CT, (3) University of Pennsylvania, Philadelphia, PA
PO-GePV-T-49Quality Assurance and Acceptance of Eyeshields for Use in Electron Radiotherapy
H Kadji1*, B Lewis1,2, R Teboh Forbang1,2, (1) Hackensack Meridian Health at Mountainside Medical Center, Montclair, NJ, (2) Hackensack Meridian Health at Hackensack University Medical Center, Hackensack, NJ
PO-GePV-T-51Development and Validation of ESAPI Script Based Electron Cutout Digitizer
T Chen*, H Wang, J Teruel, D Barbee, New York University, New York, NY
PO-GePV-T-53A Comparative Study of Different Collimation Methods for Quantification of Required Skin Margin During electron Treatment
N Shrestha1*, M Brenner2, G Narayanasamy1, S Morrill1, Z Su1, G Lewis1, F Kalantari1, (1) Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, (2) Department of Radiation Oncology, Mercy Health System, Rockford, IL
PO-GePV-T-63Skin Toxicity Assessment Using Optical-Wavelength Video Processing
R Culcasi1,2*, M Snyder1, (1) Beaumont Hospital, Royal Oak, MI, (2) Wayne State University, Detroit, MI
PO-GePV-T-66Investigating the Time and Organ Dependency of NTCP Modeling of Patient Reported Sticky Saliva After HPV Associated Oropharyngeal Cancer
B Chera1, A Tzikas2*, E Lavdas2, R Amdur3, W Mendenhall3, N Sheets1, R Green1, L Marks1, S Das1, P Mavroidis1, (1) University of North Carolina, Chapel Hill, NC, (2) University Of West Attica, Department Of Biomedical Sciences, Athens, Greece,(3) University of Florida Hospitals, Gainesville, FL
PO-GePV-T-67NTCP Modeling and Dose-Volume Correlations of Significant Blood Count Drops 3 Months After Prostate Radiation Therapy
P Papanikolaou1*, G Swanson2, S Stathakis3, P Mavroidis4, (1) Long School of Medicine, UT Health San Antonio, San Antonio, TX,(2) Baylor Scott & White Health, Temple, TX,(3) UT Health San Antonio MD Anderson Cancer Center, San Antonio, Texas, (4) University of North Carolina, Chapel Hill, NC
PO-GePV-T-71Radiobiological Evaluation of Physical Metrics in IMPT and VMAT Planning for Prostate Cancer Patient with Metal Hip Prostheses
W Hsi1*, T Lee2, (1) Univerisity Florida Health Proton Therapy Institute, Jacksonville, Florida, (2) Indiana University Health Arnett, Lafayette, IN
PO-GePV-T-86Quantitative & Statistical Analyses of Monthly OBI QA On Varian ProBeams
Z Diamond*, A Stanforth, R Slopsema, K Langen, Emory Proton Therapy Center, Atlanta, GA
PO-GePV-T-93Can An Ionization-Chamber Array Be Used for QA of Proton SBRT Beams?
A Stanforth1*, Z Diamond1, P Sabouri2, M Zhu1, J Zhou1, R Slopsema1, (1) Emory University, Atlanta, GA, (2) Miami Cancer Institute, Miami, FL,
PO-GePV-T-120Effects of the Activated Dental Metal Induced by Proton Beam Irradiation for Head and Neck Cancer: A Phantom Study
R Kato1*, T Kato1, 2, T Sagara1, Y Narita1, K Takayama1, M Murakami1, (1) Southern Tohoku Proton Therapy Center, (2) Fukushima Medical University
PO-GePV-T-150Development of An In-House Off Axis Mechanical Isocentricity Test
J Seekamp*, D Pearson, University of Toledo, Toledo, OH
PO-GePV-T-157An End-To-End Test to Evaluate Off-Axis Targeting Accuracy for Single-Isocenter Multitarget Stereotactic Radiosurgery
C Guthier*, S Friesen, Brigham and Women's Hospital, Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School,
PO-GePV-T-170A Practical Workflow to Streamline Treatment Planning for Reirradiation with Considering Biological Doses
A Tai*, E Quashie, E Gore, J Bovi, X Li, Medical College of Wisconsin, Milwaukee, WI
PO-GePV-T-208A Multi-Staged Treatment Planning Framework for Large-Volume Ventricular Tachycardia Stereotactic Ablative Radiotherapy
X Gu*, R Timmerman, J Daniels, R Wu, W Lu, The University of Texas Southwestern Medical Ctr, Dallas, TX
PO-GePV-T-222Focal Spot Size Effect of the RefleXion X1 Radiotherapy Machine: A Monte Carlo Simulation Study
OM Oderinde*, D Zaks, C Huntzinger, SM Shirvani, T Laurence, M Lu, RefleXion Medical, Hayward, CA
PO-GePV-T-232Evaluation of Bladder Dosimetric Property for Localized Prostate Cancer Using Deformable Registration of Simulation CT
C Ma*, X Zhang, Y Zhang, N Yue, X Wang, Rutgers University, New Brunswick, NJ
PO-GePV-T-235Can a Seven-Day Subset of CBCTs Be Representative of All CBCTs When Reconstructing the Dose Delivered Over the Entire Course of Treatment for Prostate Bed Radiotherapy?
D Soliman1*, M Noy2, M Karp3, A Dal Pra3, E Bossart3, (1) University of Miami, Coral Gables, FL, (2) Florida International University, Miami, FL, (3) University Of Miami, Miami, FL
PO-GePV-T-248Dosimetric Study for Spine SRT Plans with Carbon Fiber Stabilization Devices
H Lee*, J D. Palmer, A S. Ayan, Ohio State Univ, Columbus, OH
PO-GePV-T-282Clinical Impact of the Dose Calculation Engine for Vestibular Schwannoma Treatments On Cyberknife
E Ali*, E Vandervoort, The Ottawa Hospital Cancer Centre, Ottawa, Ontario, Canada
PO-GePV-T-295A Simple Method for Accurate Multi-Target Winston-Lutz Testing
G Gilson*, Abbott Northwestern Hospital, Minneapolis, MN
PO-GePV-T-307Validation of Non-Isocentric Delivery and Analysis of VMAT QA Plans Using ArcCHECK
G Cui*, N Walls, N Eclov, J Duan, Duke University Medical Center, Raleigh, NC
PO-GePV-T-323Dosimetric Impact of Materials Override of Hydrogel Spacer in Stereotactic Body Proton Therapy (SBPT) for Locally Advanced Pancreas Cancer (LAPC)
D Han1*, H Hooshangnejad 2, W Yao3, J Jatczak4, K Ding5, (1) University of Maryland, Baltimore, MD, (2) Johns Hopkins University, School of Medicine, Biomedical Engineering, Baltimore, MD, (3) University of Maryland School of Medicine, Baltimore, MD, (4) University Of Maryland, ,,(5) Johns Hopkins University, Baltimore, MD
PO-GePV-T-337Effect of Target Positioning Error On Tumor Control Probability in Stereotactic Radiosurgery for Metastatic Brain Tumors Using the CyberKnife M6
T Takizawa1,2*, S Tanabe3, H Nakano3, S Utsunomiya4, M Sakai3, K Maruyama1, S Takeuchi5, T Nakano2, A Ohta3, M Kaidu2, H Ishikawa2, K Onda5, (1) Department of Radiation Oncology, Niigata Neurosurgical Hospital, Niigata, JP, (2) Department of Radiology and Radiation Oncology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, JP, (3) Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata, JP, (4) Department of Radiological Technology, Niigata University Graduate School of Health Sciences, Niigata, JP, (5) Department of Neurosurgery, Niigata Neurosurgical Hospital, Niigata, JP
PO-GePV-T-341A Multi-Clinic Validation of An End-To-End Procedure for MLC-Based Stereotactic Radiosurgery with a Novel Phantom
T Brown1*, J Fagerstrom2, C Beck3, C Holloway4, J Kerns5, D Kaurin6, K Kielar7, (1) Northwest Medical Physics Center, Lynnwood, WA, (2) Northwest Medical Physics Center, Lynnwood, WA, (3) Northwest Medical Physics Center, Lynnwood, WA, (4) Northwest Medical Physics Center, Lynnwood, WA, (5) Varian Medical Systems, Palo Alto, CA, (6) Northwest Medical Physics Center, Lynnwood, WA, (7) Varian Medical Systems, Palo Alto, CA
PO-GePV-T-342Consistency in Response Between Two Copies of a High-Resolution Diode Array for SRS Dosimetry
B Barraclough1*, J Hansen2, (1) University of Wisconsin, Madison, WI, (2) Washington University, St. Louis, MO
PO-GePV-T-344A Comparison of Field Output Corrections Factors for a Diode Detector Among Various Measurement Setups and Among Various Energies for Stereotactic Cones
Y Lee1*, Y Kim2, (1) Miami Cancer Institute, Miami, FL, (2) Duke University, Durham, NC
PO-GePV-T-349Thresholding Gamma Analysis On SRS Anthropomorphic Phantoms
A Molineu*, L Acuna Scafati, S Kry, UT MD Anderson Cancer Center, Houston, TX
PO-GePV-T-353Implementing a QA Phantom to Test Discrepancies in Stereotactic Space Definition for Gamma Knife ICON
J Caron*, S Ahmad, Y Chen, University of Oklahoma Health Sciences Center, Oklahoma City, OK
PO-GePV-T-360Clinical Evaluation of a Novel Automatic Inverse Planning System in Gamma Knife Lightning
T Cui*, K Nie, J Zhu, D Shabbar, J Weiner, A Chundury, N Ohri, Y Zhang, I Vergalasova, N Yue, X Wang, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ
PO-GePV-T-362Investigation of Treatment Planning Strategies for Multi-Isocenter Intracranial stereotactic Radiosurgery
I Rusu*, J Roeske, S Gros, A Solanki, H Kang, Loyola University Medical Center, Maywood, IL
PO-GePV-T-365Evaluation of Model-Based Dose Algorithms Using HU as a Density Surrogate for FFF-SBRT of Island Lung Lesions
B Bismack*, S Devpura, I Chetty, Henry Ford Health System, Detroit, MI
PO-GePV-T-368To Determine the Impact of Rotational Uncertainties On Dosimetric Coverage of Distant Targets Using VMAT Planning and a TPS Tool to Measure Plan Uncertainty
G Klein*, Y Mutaf, Kaiser Permanente, Dublin, CA
PO-GePV-T-370Impact of MLC Uncertainty in Single Isocenter Multiple-Lesions SRS VMAT Plans
J Xu*, E Chacko, B Zhang, M MacFarlane, K Jiang, M Mishra, M Guerrero, S Chen, University of Maryland School of Medicine, Baltimore, MD
PO-GePV-T-374The Dosimetric Effect of Using a Titanium Material Assignment Versus Limited Hounsfield Units for SBRT Spine Patients with Hardware
Z Richards*, D Christ, D DiCostanzo, K Dibs, D Blakaj, Ohio State University Wexner Medical Center, Columbus, OH
PO-GePV-T-380Direct Dosimetric Comparison of LINAC Vs GK FSRT for Large Brain Tumors
Z Whiting1*, E Calugaru2, D Ma2, B Garcia1, M Keohane1, A Goenka2, J Chang2, (1) Hofstra University, Hempstead, Ny, (2) Northwell Health, Lake Success, NY
PO-GePV-T-389Dosimetric Impact of Peripheral MLC Leaves for Stereotactic Radiosurgery
X Zhao*, E Covington, A Alexandrian, R Popple, University of Alabama at Birmingham, Birmingham, AL
PO-GePV-T-392Brain Stereotactic Radiosurgery Using MR-Guided Online Adaptive Planning to Daily Setup Variation: An End-To-End Test
E Han1*, H Wang1, T Briere1, D Yeboa1, T Boursianis2, G Kalaitzakis2, E Pappas3, P Castillo1, J Yang1, (1) UT MD Anderson Cancer Center, Houston, TX, (2) University of Crete, Heraklion, GR, (3) University of West Attica, Greece, GR,
PO-GePV-T-393Optimizing Isocenter Placement Based On Rotational Uncertainty in Single-Isocenter SRS
C Baley*, N Kirby, S Stathakis, N Papanikolaou, P Myers, K Rasmussen, D Saenz, UT Health San Antonio MD Anderson Cancer Center, San Antonio, Texas
PO-GePV-T-397New Dosimetric Guidelines for Acuros Through Comparative Evaluation of SBRT Lung Treatment Plans Against AAA
M Pacella*, M Webster, S Tanny, N Joyce, L Constine, M Milano, I Yeo, University of Rochester, Rochester, NY
PO-GePV-T-408Can a Single Beam Model Be Used for SBRT Planning On Multiple Linear Accelerators?
S Wang*, J Cunningham, S Devpura, K Snyder, C Smith, B Miller, S Gardner, Henry Ford Health System, Detroit, MI
PO-GePV-T-409A Trajectory Sampling Metric for the Optimization of Dose Distributions in Radiosurgery
R MacDonald1*, J Lincoln2, C Church2, A Syme1235, C Thomas12345,(1) Department of Medical Physics, Nova Scotia Health Authority (2) Department of Physics and Atmospheric Science, Dalhousie University (3) Department of Radiation Oncology, Dalhousie University (4) Department of Radiology, Dalhousie University (5) Beatrice Hunter Cancer Research Institute
PO-GePV-T-413Single Fraction SRS Planning Strategies for Dual Metastases Have Different Doses
M Alfishawy*, M Abdallah, A Yassin, K El-Shahat, I Hajjaj, A Mahmoud, R Hamed, B Dawood, A Elsaeed, N Gebriel, H Attallah International Medical Center, Cairo, EG
PO-GePV-T-414Treatment of Brain Metastases with ZAP-X and CyberKnife: A Dosimetric Comparison
Y Niu*, A Rashid, M Carrasquilla, B Collins, D Pang, Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
PO-GePV-T-416Northwestern Memorial Hospital’s Experiences in Gamma Knife ICON Unit in First 15 Months
P Lee*, G Khelashvili, M Gopalakrishnan, S Sachdev, J Kalapurakal, T Kruser, Northwestern Memorial Hospital, Chicago, IL
PO-GePV-T-419Measuring Cone Factors for Stereotactic Radiosurgery Applicators On a Varian Edge
S Tanny*, J Yoon, M Ostyn, A Gray, University of Rochester Medical Center, Rochester, NY
PO-GePV-T-420Dosimetric Comparison of Coplanar and Noncoplanar Beam Arrangements for Radiotherapy of Patients with Lung Cancer: A Meta-Analysis
M Ma*, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, China, BeijingCN,
PO-GePV-T-421End to End Verification of BrainLAB’s Element Planning System for Intracranial SRS Treatments of Arteriovenous Malformations On Varian TrueBeam
N Shrestha1*, G Narayanasamy1, M Radvany2, F Kalantari1, S Morrill1, Z Su1, F Xia1, (1) Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR (2) Department of Interventional Neuroradiology, University of Arkansas for Medical Sciences, Little Rock, AR
PO-GePV-T-423Feasibility Study of Precision-CyberKnife, IPlan-Novalis, Raystation-VersaHD and Monaco-VersaHD to Satisfy the UNC Treatment Planning Protocol of Stereotactic Radiosurgery for Multiple Brain Lesions
P Mavroidis1*, R McGurk1, E Schreiber1, M Dance1, K Zourari2,3, G Kalaitzakis2,4, E Zoros2,3, T Boursianis2,4, E Pappas2,5, B Read6, P Barry6, N Papanikolaou7, S Das1, S Stathakis7, (1) University of North Carolina, Chapel Hill, NC, (2) RTsafe P.C., Athens, Greece, (3) Medical Physics Laboratory, Medical School, National and Kapodistrian, University of Athens, Athens, Greece, (4) Department of Medical Physics, University of Crete, Heraklion, Greece, (5) Department of Biomedical Sciences,Radiology & Radiotherapy Sector,University of West Attica, Athens, Greece (6) Elekta Ab, (7) UT Health San Antonio MD Anderson Cancer Center, San Antonio, Texas
PO-GePV-T-424Effect of Dose Rate On Cardiac Synchronized Volumetric Modulated Arc Therapy
J Poon1,2*, K Kohli3, D Schellenberg3, MW Deyell1, S Thomas2, (1) University of British Columbia, Vancouver, BC, CA, (2) BC Cancer - Vancouver, Vancouver, BC, CA, (3) BC Cancer - Surrey, Surrey, BC, CA
PO-GePV-T-426Dosimetric Evaluation of Different Rotating Gamma Ray System Designs
A Eldib1*, H Liu1, Q Jiang2, B Wang3, S Li3, C Miyamoto3, C Ma1, (1) Fox Chase Cancer Center, Philadelphia, PA, (2)The First Affiliated Hospital of Chongqing Medical University, ,Chongqing, CN, (3) Temple University Hospital, Philadelphia, PA
PO-GePV-U-2The Use of Statistics-Based Analyses of Random Spherical Void Phantoms as a Potential Means for Quantitatively Assessing the Performance of Ultrasound Imaging Systems
M Holland*, Indiana University- School of Medicine, Indianapolis, IN
SU-A-TRACK 6-7Treatment Parameters That Impact IROC SRS Phantom Performance Evaluated Using AI
H Mehrens*, T Nguyen, S Edward, S Hartzell, M Glenn, D Branco, N Hernandez, P Alvarez, A Molineu, P Taylor, S Kry, UT MD Anderson Cancer Center, Houston, TX
SU-AB-TRACK 3-0SIIM-AAPM Joint Symposium On Machine Intelligence in Medical Imaging
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-1Introduction
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-2Challenges and Opportunities in Validation of AI for Medical Imaging
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-3Harnessing AI to Enable Advanced Image-Guidance in Interventional Procedures
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-4Joint Optimization of Learning-Based Image Reconstruction and K-Space Trajectories for MRI
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-5Standards-Based Integration of AI Tools into Clinical Practice
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-AB-TRACK 3-6Q&A
B Landman1*, K Brock2*, J Fessler3*, K Andriole4*, (1) Vanderbilt University Medical Center, Nashville, TN, (2) UT MD Anderson Cancer Center, Houston, TX, (3) University of Michigan, Ann Arbor, MI, (4) Brigham & Women's Hospital, Harvard Medical School, Branford, CT
SU-B-TRACK 6-5Mapping Motion-Induced Dose Variations On Bladder Surfaces: A Novel Surface-Based Dose Modeling for Accurate Dose Assessment in Fractionated Prostate Cancer Radiotherapy
Y Lao1*, M Cao1, Y Yang1, A Kishan1, W Yang2, Y Wang3, K Sheng1, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Southern California, Los Angeles, CA, (3) ASU,Temple,Arizona
SU-C-TRACK 6-1A Robust Method to Quantitate Tracer Activity in Organs and Lesions with Clinical SPECT/CT Systems
J James*, J Bian, J Halama, Loyola University Medical Center, Maywood, IL
SU-C-TRACK 6-7Uncertainty Propagation Methods for Personalized, Image-Based 131-Iodine SPECT/CT Radiopharmaceutical Therapy Dosimetry
D Adam*, I Marsh, J Grudzinski, T Bradshaw, P Hill, B Bednarz, University of Wisconsin, Madison, WI
SU-E-TRACK 5-2A GPU-Accelerated Monte Carlo Engine for Calculation of MLC-Collimated Electron Fields
E Brost*, H Wan Chan Tseung, J Antolak, Department of Radiation Oncology, Mayo Clinic, Rochester, MN
SU-E-TRACK 6-2Computer-Assisted Diagnosis of Hepatic Portal Hypertension: A Novel, Attention-Guided Deep Learning Framework Based On CT Imaging and Laboratory Data Integration
Y Wang*, X Li, M Konanur, B Konkel, E Seyferth, N Brajer, M Bashir, K Lafata, Duke University, Durham, NC
SU-E-TRACK 6-7Spatial Reconstruction of Statistically Significant Radiomics Signatures Using 3D Wavelet Decomposition in Tumors of Oropharyngeal Cancer
H Bagher-Ebadian*, F Siddiqui, A Ghanem, S Zhu, M Lu, B Movsas, I Chetty, Henry Ford Health System, Detroit, MI
SU-F-TRACK 3-4Image Quality Evaluation of a Compressed-Sensing Algorithm for Image Reconstruction in Dedicated Cone-Beam Breast CT Using Offset-Detector
S Vedantham*, H Tseng, A Karellas, University of Arizona, Tucson, AZ
SU-F-TRACK 5-4Toward Semi-Automatic Biologically Effective Dose Treatment Planning for Gamma Knife Radiosurgery
T Klinge1,2,3*, H Talbot4, I Paddick5, S Ourselin3, J McClelland2, M Modat3, (1) Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College London, London, GB (2) Centre for Medical Image Computing, University College London, London,GB (3) School of Biomedical Engineering & Imaging Sciences, King's College London, London, GB (4) CentraleSupelec, Universite Paris-Saclay, Gif-sur-Yvette, FR (5) Queen Square Gamma Knife Centre, National Hospital for Neurology and Neurosurgery, London, GB
SU-F-TRACK 6-3Implementation of High-Quality Motion-Compensated Simultaneous Algebraic Reconstruction Technique (mc-SART) Cone-Beam CT (CBCT) Imaging Using the 5D Model in a Prospective Patient Study
K Singhrao1*, D O'Connell1, J Fu1, M Lauria1, B Stiehl1, A Raldow1, J Hegde1, A Lee1, A Santhanam1, D Low1, J Lewis2, (1) Dept. of Radiation Oncology, University of California, Los Angeles, Los Angeles, CA, (2) Dept. of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA
SU-F-TRACK 6-6Synthesizing Real-Time In-Treatment 4D Images Based On Optical Surface Signals and Pre-Treatment Images: A Proof-Of-Concept Study
Y Huang*, Y Zhang, Peking University Cancer Hospital & Institute, Beijing, CN
SU-IePD-TRACK 1-1CBCT Manual Vs. Semi-Automatic Single and Multi-Slice Low Contrast Resolution Analysis
N Becerra Espinosa1*, L Claps2, P Alaei3, (1) University of Minnesota, Minneapolis, MN, (2) Memorial Sloan Kettering, New York, NY
SU-IePD-TRACK 1-1Electroacoustic Tomography for Monitoring Electroporation in Real Time
S Wang1*, A Zarafshani2, L Xiang1, (1) University of California, Irvine, Irvine, CA, (2) Eastern Washington University, Spokane, WA
SU-IePD-TRACK 1-3Efficient Visualisation of Changes in CBCT During Radiotherapy to Detect Lung Infections
M van Herk1*, G Price2, A Clough2, J Sanders2, C Faivre-finn1,2, C Eccles2, M Aznar1, (1) The University of Manchester, Manchester, GB, (2) The Christie Hospital NHS Foundation Trust, Manchester, GB
SU-IePD-TRACK 1-3Quantitative Image Guidance In Vivo: Dual-Energy CT for Thermochemical Ablation
E Thompson*, M Jacobsen, R Layman, E Cressman, UT MD Anderson Cancer Center, Houston, TX
SU-IePD-TRACK 1-5Functional MRI-Based Radiomics for the Diagnosis of Major Depressive Disorder
K Sun1*, S Zhao2, G Liu1, W Lu1, J Qiu1, L Shi1, (1)Shandong First Medical University & Shandong Academy Of Medical Sciences, (2) Beijing Anding Hospital, Capital Medical University
SU-IePD-TRACK 1-6Uniqueness of Radiomic Features in NSCLC: BeyondReproducibility/Repeatability
G Ge*, J Zhang, University of Kentucky, Lexington, KY
SU-IePD-TRACK 1-7Patient-Specific Deep Learning Model for Enhancing 4D-CBCT Image for Radiomic Analysis
Z Zhang*, M Huang, Z Jiang, Y Chang, K Lu, F Yin, L Ren, Duke University Medical Center, Durham, NC
SU-IePD-TRACK 1-7Super-Resolution CT Image Via Convolution Neural Network with An Observer Loss Function
M Yu*, M Han, J Baek, Yonsei University, Incheon, 28KR,
SU-IePD-TRACK 2-1Coronary Computed Tomography Angiography Combined with Coronary Heart Disease Risk Stratification Prediction for Asymptomatic Type 2 Diabetes Mellitus Patients Screening
Q Liu*, J Qiu, H Zhao, Shandong First Medical University & Shandong Academy Of Medical Sciences,Tai'an,CN
SU-IePD-TRACK 2-3A Deep Learning-Based Radiomics Approach to Identify Patient with Early Tumor Regression Utilizing Planning CT Images for Adaptive Radiotherapy
S Tanaka1*, N Kadoya1, Y Sugai1, M Umeda1, Y Katsuta1, K Ito1, T Yamamoto1, N Takahashi1, K Takeda1, S Dobashi2, K Takeda2, K Jingu1, (1) Department of Radiation Oncology, Tohoku University Graduate School of Medicine, Sendai, Japan, (2) Department of Radiation Therapy, Tohoku University Graduate School of Medicine, Sendai, Japan
SU-IePD-TRACK 2-4Monte-Carlo Simulation of the Detective Quantum Efficiency of Cadmium Telluride X-Ray Detectors for Photon-Counting Mammography
J Day*, J Tanguay, Ryerson University, Toronto, ONCA,
SU-IePD-TRACK 2-7A Reader Model to Compute Detectability of Lesions with Varying Size in X-Ray Images of the Breast
M. L. Lago*, A. Badano, Food & Drug Administration, Silver Spring, MD
SU-IePD-TRACK 3-3Intelligent CT Reconstruction with Simultaneous Learning of Reconstruction Policy and Image Quality Assessment Using Quality-Guided Deep Reinforcement Learning
Y Gao*, C Shen, M Tsai, Y Gonzalez, L Chen, X Jia, The University of Texas Southwestern Medical Center, Dallas, TX
SU-IePD-TRACK 3-6Squamous Cell Tumor Characterization in Head and Neck Cancer Patients Using Dual-Energy Computed Tomography
É Delisle1*, H Bahig2, 3, 4, H Bouchard1, 2, 3, M Simard1, C Larose2, E Filion2, P Nguyen-tân2, S Bedwani1, 2, 3, (1) Physics department, Université de Montréal, Montreal, QC, CA, (2) Radiation Oncology Department, Centre Hospitalier de Université de Montréal, Montreal, QC, CA, (3) Centre de recherche du Centre hospitalier de Université de Montréal, Montreal, QC, CA, (4) Radiation Oncology Department, University of Texas MD Anderson Cancer Center, Houston, TX, USA
SU-IePD-TRACK 5-6Online Control of Micro-Beam Synchrotron Radiation Therapy Using Micro-Stripped Diamond Detectors
N Rosuel*1,2, M Gallin-martel 1, L Gallin-martel 1, S KESHMIRI 2, M Krisch 3, J Motte 4, J Muraz 1, M Ruat 3, L Tribouilloy 1, D Dauvergne 1, JF Adam 2, (1)Univ. Grenoble Alpes, Laboratoire de Physique Subatomique et Cosmologie, CNRS, 53 av. des Martyrs, 38000 Grenoble, France, (2)INSERM UA 7 STROBE, Grenoble France, (3) ESRF, Grenoble, France, (4) Universite Grenoble Alpes, CNRS, Grenoble INP, Institut Neel, 38000 Grenoble, France
SU-IePD-TRACK 6-1Real-Time Reduction in Isocenter Shifts During MR-IGRT Gantry Rotation
A Curcuru*, D Yang, H Gach, Washington University in St. Louis, St. Louis, MO
SU-IePD-TRACK 6-6Evaluation of the Dosimetric Accuracy and Angular Dependency of the Novel SRSMapCheck Design in the Magnetic Field
O Pen*, O Green, A Price, Washington University School of Medicine, St. Louis, MO
SU-IePD-TRACK 6-6Verification of a Cost-Effective and Cerrobend-Free Workflow for Customized 3D-Printing Based Skin Collimation
M Polizzi*, J Sohn, S Kim, Virginia Commonwealth University, Richmond, VA
SU-IePD-TRACK 6-7Evaluation of MRI-Guided Linear Accelerator Based Stereotactic Radiosurgery for Brain Metastasis
M De Ornelas*, N Dogan, W Amestoy, H Guerrero, T Diwani, E Mellon, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL
TH-A-TRACK 6-3Experimental Validation of a Prototype Ion Chamber for Accurate Magnetic Resonance Image Guided Radiation Therapy (MRgRT) Output Measurements in Solid Phantoms
B Muir1*, H Nusrat2, A Sarfehnia2, J Renaud1, (1) National Research Council, Ottawa, ON, (2) Sunnybrook Health Sciences Center, Toronto, ON
TH-AB-TRACK 2-0Breast Imaging 2: Possible Future Directions
J Phillips1*, R Nosrati2*, P Ghazi3*, K Yang4*, (1) Beth Israel Deaconess Medical Center, Boston, MA (2) Harvard Medical School, Boston, MA, (3) MALCOVA LLC, Baltimore, MD, (4) Harvard Medical School, Massachusetts General Hospital, Boston, MA
TH-B-TRACK 6-2Near Real-Time Intra-Fractional 6D Monitoring of Prostate Position Using a Scheme Based On the Skeletonization of Implanted Marker Images
H Kuo1,2*, D Lovelock1, C Della-Biancia1, A Damato1, L Happersett1, S Lin2, M Zelefsky1, L Cervino1, S Berry1, (1) Memorial Sloan Kettering Cancer Center, New York, CT, (2) Norwalk Hospital, Norwalk, CT,
TH-C-TRACK 3-1BEST IN PHYSICS (IMAGING): Parallel Imaging Stream for Multi-Purpose Real-Time Adaptive MRI-Guided Prostate Radiotherapy
T Bruijnen1,2*, P Borman1, T Schakel1, B Raaymakers1, (1) Department of Radiotherapy, University Medical Center Utrecht, Utrecht, UT, NL, (2) Computational Imaging Group for MRI diagnostics and therapy, Centre for Image Sciences, University Medical Center Utrecht, Utrecht, UT, NL
TH-C-TRACK 3-4Visual Network in Primary Open Angle Glaucoma: A Functional Connectivity Analysis Based On Group Parcellation From Resting FMRI
H Qu1, W Lu1, L Shi1, J Qiu1, W Lu1*, (1) Shandong First Medical University & Shandong Academy Of Medical Sciences, Tai'an, Shandong,CN
TH-C-TRACK 3-7Reproducibility of Functional Modes Identified by Non-Negative Matrix Factorization of FMRI Depends On Pre-Processing Strategy
Z Ahmed*, D Kang, N Meyer, M In, Y Shu, Mayo Clinic, Rochester, MN
TH-C-TRACK 5-4Management of Larger Number of Multiple Brain Metastases Patients Via Restricted Single Isocenter Stereotactic Radiosurgery (RESIST) Method
A Palmiero*, W St Clair, M Randall, D Pokhrel, University of Kentucky, Lexington, KY
TH-C-TRACK 5-6BEST IN PHYSICS (THERAPY): Color Imaging of Cherenkov Emission in Vivo During Radiotherapy Exhibits Correlation with Superficial Tissue Composition and Blood Oxygenation Changes
P Bruza1,2*, D Alexander1, A Nomezine1, E Aulwes1, L Jarvis3,4, D Gladstone1,3,4, B Pogue1,2,3,4, (1) Thayer School of Engineering, Dartmouth College, Hanover, NH, (2) DoseOptics LLC, Lebanon, NH, (3) Geisel School of Medicine, Dartmouth College, Hanover, NH, (4) Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH
TH-C-TRACK 6-2Exploiting Pair Production for Nanoparticle Imaging and for In-Vivo Beam Monitoring in Megavoltage Radiotherapy
D Brivio1*, E Sajo2, P Zygmanski1, (1) Brigham and Women's Hospital, Boston, MA, (2) University of Massachusetts Lowell, Lowell, MA
TH-C-TRACK 6-7Measurement of Secondary Neutron Spectrum with He4 Fast Neutron Detector
Y Liang1, S Gokhale1, J Nimmagadda1, E Kryck2, A Enqvist1, S Samant3*, (1) Nuclear Engineering Program, University of Florida, Gainesville (2) uclear Engineering Program, University of Florida, Gainesville (3) University of Florida, Dept of Radiation Oncology, Gainesville, FL 32610-0385, United States
TH-D-TRACK 2-0Ct Protocol Development and Management
K Little1*, T Szczykutowicz2*, M Jacobsen3*, (1) Ohio State Univ, Columbus, OH, (2) University Wisconsin-Madison, Madison, WI, (3) UT MD Anderson Cancer Center, Houston, TX
TH-D-TRACK 3-2Automated Tumor Localization and Segmentation Through Hybrid Neural Network in Head & Neck Cancer
A Qasem1*, Z Zhou2, (1) ,Warrensburg, MO, (2) University of Central Missouri, Warrensburg, MISSOURI
TH-D-TRACK 3-3Deep Siamese Network for False Positive Reduction in Brain Metastases Segmentation
Z Yang*, M Chen, R Timmerman, T Dan, Z Wardak, W Lu, X Gu, UT Southwestern Medical Center, Dallas, TX
TH-D-TRACK 3-5Unsupervised COVID-19 Pneumonia Lesion Segmentation in CT Scans Using Cycle Consistent Generative Adversarial Network
Y Liu*, C Fang*, J Wen, Y Yang, University of Science and Technology of China, Hefei, Anhui, P. R. China * The authors contribute equally
TH-D-TRACK 3-7Towards Understandable AI in Lung Nodule Detection: Using the Genetic Algorithm for Interpretable, Human-Understandable Optimization of Nodule Candidate Generation in Lung CT Imaging
M Wahi-Anwar*, N Emaminejad, G Kim, M Brown, M McNitt-Gray, David Geffen School of Medicine at UCLA, Los Angeles, CA
TH-E-TRACK 3-1Characterization and Optimization of Quantitative Greyscale Images From Photon Counting CT
D Byrd1*, M Wu2, P Edic2, P Kinahan1, (1) University of Washington, Seattle, WA, (2) GE Research, Niskayuna NY
TH-E-TRACK 3-2Development of a Prototype C-Arm Photon Counting Detector CT System for Interventional Imaging: First in Vivo Animal Results
X Ji, S Periyasamy, M Feng, G Chen, P Laeseke, K Li*, University of Wisconsin, Madison, WI
TH-E-TRACK 3-3Dual Energy CT Using Flying Focal Spot and An Anti-Scatter Grid as a Filter
S Hsieh1*, N Bennett2, A Wang2, (1) Mayo Clinic, Rochester, MN, (2) Stanford University, Stanford, CA
TH-E-TRACK 3-5Spectrum Optimization for Photon-Counting CT with a Silicon Detector
T Schmidt1*, F Gronberg2, J Fan2, (1) Marquette University, Milwaukee, Wisconsin, (2) GE Healthcare, Waukesha, WI
TH-E-TRACK 3-6Characterization of a Bench-Top Photon-Counting CT System
D Richtsmeier1*, J O'Connell1, A Hart1, P Rodesch1, T Calheiros2, A Frencken2, K Iniewski3, M Bazalova-Carter1, (1) Department of Physics and Astronomy, University of Victoria, Victoria, BC, CA, (2) Department of Chemistry, University of Victoria, Victoria, BC, CA, (3) Redlen Technologies, Saanichton, BC, CA
TH-E-TRACK 3-7Iodine Quantification in a Full Field-Of-View Photon-Counting-Detector CT
K Rajendran1*, J Marsh1, J Thorne1, E Shanblatt2, J Fletcher1, C McCollough1, S Leng1, (1) Mayo Clinic, Rochester, MN, (2) Siemens Medical Solutions USA, Inc, Malvern, PA
TH-E-TRACK 4-4Scale-Adaptive Convolutional Neural Network for Deformable Image Registration of Lung 4DCT
Y Sang*, D Ruan, Department of Radiation Oncology and Department of Bioengineering, University of California, Los Angeles, CA
TH-E-TRACK 5-1A Feasibility Study for Deep Learning-Based Efficient Monte Carlo Dose Calculation Method in Radiotherapy
X Lu1*, Y Li2, Q Mengke1, L Zhou1, T Song1, (1)Department of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, CN, (2)Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, CN
TH-E-TRACK 5-4Microdosimetry of Radionuclides Using Geant4 Simulation Considering the Auger Electron Contribution
O Kwon*, D Adam, B Bednarz, University of Wisconsin, Madison, WI
TH-E-TRACK 6-1Cardiac Radio-Ablation Target Delineation On 3D Electro-Anatomical Maps
M Boeck1,2*, C Wei2, R Mak1,2, U Tedrow1,2, P Zei1,2, H Cochet3, M Juhoor3, S Friesen1, F Hacker1, J Bredfeldt1,2, (1) Brigham and Women's Hospital, Boston, MA, USA (2) Harvard Medical School, Boston, MA, USA (3) Department Of Radiology And Division Of Cardiology, University Of Bordeaux, France
TH-E-TRACK 6-2Dose Kernel Decomposition for GammaKnife and GammaPod Treatment Planning
M Chen*, Z Yang, Z Wardak, X Gu, W Lu, UT Southwestern Medical Center, Dallas, TX
TH-F-TRACK 3-7Small-Cavity Detector Perturbation and Quality Correction Factors in Magnetic Resonance Imaging-Guided Radiotherapy Small Photon Beams
Y Cervantes-Espinosa1, 2*, J Duchaine1, 2, I Billas3,4, S Duane3, H Bouchard1,2,5, (1) Universite de Montreal , Departement de physique, Montreal, QC, CA, (2) Centre de recherche du Centre hospitalier de l'Universite de Montreal, QC, CA (3) National Physical Laboratory Teddington, UK (4) The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, UK (5) Departement de radio-oncologie, Centre hospitalier de l'Universite de Montreal, QC, CA
TH-F-TRACK 4-5Improvements in Beam's Eye View Fiducial Tracking Using A Novel Multilayer Imager
TC Harris1,2,3*, J Seco2,3, D Ferguson4, M Jacobson1, M Myronakis1, I Valencia Lozano1, M Lehmann5, P Huber5, R Fueglistaller5, D Morf5, HJ Mamon1, JD Mancias1, NE Martin1, R Berbeco1, (1) Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, USA, (2) BioMedical Physics in Radiation Oncology, DKFZ, Heidelberg, Germany, (3) Department of Physics, University of Heidelberg, Heidelberg, Germany, (4) Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA, (5) Varian Medical Systems, Baden-Dattwil, Switzerland
TH-F-TRACK 4-6Quantifying Radiation-Induced Lung Injury as a Function of Regional Radiation Therapy Dose Using Hyperpolarized-129Xe MRI
L Rankine1,2*, Z Wang2, E Bier2, C Kelsey2, S Das1, L Marks1, B Driehuys2, (1) The University of North Carolina at Chapel Hill, Chapel Hill, NC, (2) Duke University, Durham, NC
TH-F-TRACK 5-2A Real-Time Surveillance System to Improve the Safety of MRI in Radiation Oncology
G Tang*, P Medin, A Pompos, S Jiang, Y Yan, UT Southwestern Medical Center, Dallas, TX
TH-F-TRACK 6-4Single-Isocenter/Multi-Target (SIMT) SRS to Multiple Brain Lesions Via Dynamic Conformal Arcs (DCA)-Based VMAT with MLC Aperture Shape Controller
S Land*, A Palmiero, M Bernard, D Pokhrel, University of Kentucky, Lexington, KY
TH-F-TRACK 6-5Comparison Between the HYPERSCINT RP200 Scintillation Detector and Other Small Field Detectors for 10MV FFF SRS Beam Modelling On a VersaHD Linear Accelerator
J Morin, JF Cabana, M Goulet*, D Theriault, CISSS - Chaudiere-Appalaches, Levis, QC, Canada
TH-F-TRACK 6-6Assessment of the Dosimetric Impact of Rogue Leaf Pair Openings in Modulated Stereotactic Radiosurgery Plans
K Jones1*, A Templeton2, Y Liao1, J Van Schelt1, Z Grelewicz1, J Turian1, (1) Rush University Medical Center, Chicago, IL, (2) Auckland DHB, Auckland, New Zealand
TH-IePD-TRACK 1-2Half-Value Layer at Different Positions in Wide-Beam CT Scanners 
N Correa*, I Barreto, M Arreola, University of Florida, Gainesville, FL
TH-IePD-TRACK 1-3Assessment of Cardiac Gout Identification Using Dual EnergyCT and a Dynamic Phantom
A Scott*, Y Zhou, D Zhang, Cedars-Sinai Medical Center, Los Angeles, CA
TH-IePD-TRACK 1-4Dose Savings and Image Quality in Dual-Energy Non-Contrast CT Scans
G Anthony*, Y Liang, Indiana University, Indianapolis, IN
TH-IePD-TRACK 1-5Evaluation of Intra-Manufacturer Dual-Energy CT Iodine Quantification Accuracy: Phantom Studies
A Zhao1*, A Borhani1, R Catania2, (1) Northwestern Medicine, Chicago, IL, (2) Northwestern University, Chicago, IL
TH-IePD-TRACK 1-6The Impact of Dual Energy CT (DECT) Protocol Settings On Image Quality
R Nosrati1,2*, M Palmer3, O Brook3, D Zhang1,2, (1) Harvard Medical School, Boston, MA, (2) Children's Hospital, Boston, MA, (3) Beth Israel Deaconess Medical Center, Boston, MA
TH-IePD-TRACK 1-7Spctrally Neutral CT Calibration
R Jennings*, Retired, Olney, MD
TH-IePD-TRACK 2-3Leveraging Prior Knowledge to Reconstruct Quantitative MR Relaxation Maps to Investigate Glioma Tumor Heterogeneity
X Zhao1*, D Parsons2, Z Iqbal1, (1) University of Alabama - Birmingham, Birmingham, AL, (2) UT Southwestern Medical Center, Dallas, TX
TH-IePD-TRACK 2-6Need for a Saturation RF Band to Mitigate Flow Artifact in 3D-MPRAGE On a Compact 3T Scanner
M In*, N Campeau, J Huston, D Kang, L Bardwell Speltz, N Meyer, J Trzasko, Y Shu, M Bernstein, Mayo Clinic, Rochester, MN
TH-IePD-TRACK 3-2Feasibility of Intrafraction Motion Management Using Triggered KV Imaging During Spine Stereotactic Radiosurgery
J Koo1*, L Nardella1, M Degnan2, J Andreozzi1, H Yu1, J Penagaricano1, P Johnstone1, D Oliver1, K Ahmed1, S Rosenburg1, E Wuthrick1, R Diaz1, V Feygelman1, E Moros1, G Redler1(1) H Lee Moffitt Cancer Center And Research Institute, Tampa, FL, (2) The Ohio University, Columbus, OH
TH-IePD-TRACK 3-4Segmentation by Individualized Registration (SIR) for CBCT-Based Adaptive Radiation Therapy
X Liang1*, J Chun2, H Morgan1, T Bai1, D Nguyen1, J Park1, S Jiang1, (1) Medical Artificial Intelligence and Automation (MAIA) Laboratory, Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, (2) Department of Radiation Oncology, Yonsei University, Seoul, KR
TH-IePD-TRACK 3-7Auto-Segmentation of Important Centers of Growth in the Pediatric Skeleton to Consider During Radiation Therapy Based On Deep Learning
W Qiu1*, W Zhang2, X Ma1, Q Zhou2, J Zhu1, (1) Department of Radiation Oncology Physics and Technology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Ji'nan, P.R. China, Jinan, Shangdong province, CN, (2) Manteia Medical Technologies, Milwaukee.
TH-IePD-TRACK 5-1Evaluation of a Novel Film Dosimetry System: Orthochromic OC-1 Film
S Lim*, G Tang, Memorial Sloan-Kettering Cancer Center, New York, NY
TH-IePD-TRACK 5-3A Cross Institution Study of Anatomy Changes in Head-And-Neck Cancer Patients Using In-Vivo Electronic Portal Imaging Device (EPID) Transit Images
C Trauernicht1, J Steers2, C Bojechko3*, (1) Stellenbosch University, Cape Town, South Africa, (2) Cedars Sinai Medical Center, Los Angeles, CA, (3) University of California San Diego, La Jolla, CA
TH-IePD-TRACK 5-3Uncertainty in OSLD Dose Reading Due to CBCT-Based IGRT
S Charyyev*, J Harms, Z Diamond, E Elder, B Ghavidel, M Axente, Emory University, Atlanta, GA
TH-IePD-TRACK 5-4Design Considerations for CdTe-Based Radiation Detector for Correction-Less Dosimetry
F Akbari*, D Shvydka, E Parsai, University of Toledo Medical Center, Toledo, OH
TH-IePD-TRACK 5-7In Situ Radiochromic Film Dosimetry Using Portable Spectrophotometer
S Jung*, J Cho, J Han, J Kim, J Park, C Choi, J Son, J Kim,
TU-A-TRACK 2-2A Framework for Calculating 2D Wall Shear Stress (WSS) In-Vitro Using 1000 Fps High-Speed Angiography (HSA)
A Shields*, D Bednarek, S Rudin, University at Buffalo (SUNY) School of Medicine, Buffalo, NY
TU-A-TRACK 2-4Dual-Energy Reduces Severity of Motion Artifacts in Free-Breathing 2D Pulmonary Angiography
E Nikolau1*, M Wagner1, S Schafer2, T Hacker1, E Temme1, P Laeseke1, M Speidel1, (1) University of Wisconsin-Madison, Madison, WI, (2) Siemens Healthineers, Malvern, PA
TU-A-TRACK 2-5In-Vitro 1000 Fps High-Speed Angiographic (HSA) Evaluation of the Hemodynamics in the Ascending Aorta Resulting From the Graft of a Left Ventricular Assist Device (LVAD)
A. Shields1*, S.V. Setlur Nagesh2, V. Chivukula3, D.R. Bednarek4, S. Rudin5, (1) University at Buffalo, Buffalo, NY, (2) University at Buffalo, Buffalo, NY, (3) Florida Institute Of Technology, ,,(4) University at Buffalo, Buffalo, NY, (5) University at Buffalo (SUNY) School of Medicine, Buffalo, NY
TU-A-TRACK 6-5Relationship Between Coronary Artery Radiation Doses and Risk of Late Coronary Artery Disease: A Report From the Childhood Cancer Survivor Study (CCSS)
S Shrestha1*, J Bates2, Q Liu3, S Smith1, D Mulrooney4, A Gupta1, C Owens1, W Leisenring5, T Gibson6, E Chow5, K Oeffinger7, L Robison4, G Armstrong4, L Constine8, B Hoppe9, C Lee6, L Court1, S Kry1, Y Yasui4, R Howell1, (1) University of Texas MD Anderson Cancer Center, Houston, TX, (2) Emory University School of Medicine, Atlanta, GA, (3) University Of Alberta, Alberta, CA, (4) St. Jude Children's Research Hospital, Memphis, TN, (5) Fred Hutchinson Cancer Research Center, Seattle, WA, (6) National Cancer Institute, Rockville, MD, (7) Duke University, Durham, NC, (8) University of Rochester Medical Center, Rochester, NY, (9) Mayo Clinic, Jacksonville, FL
TU-AB-TRACK 3-0Recent Advances in X-Ray CT - From Ultra-High Resolution Imaging to AI Reconstruction
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 3-1High-Resolution Whole-Body CT: The Next Generation of CT?
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 3-2Patient-Specific CT Dose Estimation
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 3-3CT and Dual-Energy CT in Assessment of Pulmonary Function
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 3-4Machine Learning for Low-Dose CT Reconstruction
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 3-5Q&A
J Boone1*, T Schmidt2*, E Hoffman3*, S Ravishankar4*, (1) UC Davis Medical Center, Sacramento, CA, (2) Marquette University, Milwaukee, Wisconsin, (3) University of Iowa, (4) Michigan State University, East Lansing, MI
TU-AB-TRACK 4-0Functional Image-Guided Targeting and Avoidance in Radiation Therapy
Y Vinogradskiy1*, M Matuszak2*, B Han3*, A Sawant4*, (1) University of Colorado Anschutz Medical Campus, Aurora, CO, (2) University of Michigan, Ann Arbor, MI, (3) Stanford University School of Medicine, Stanford, CA, (4) University of Maryland School of Medicine, Baltimore, MD
TU-B-TRACK 6-5Scatter Correction of 4D Cone Beam Computed Tomography for Time-Resolved Proton Dose Calculation: Porcine Lung Phantom Validation
H Schmitz1*, M Rabe1, G Janssens2, J Dinkel3, S Rit4, K Parodi5, C Belka1,6, C Kurz1,5, F Kamp1,7, G Landry1,5, (1) Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany, (2) Ion Beam Applications SA, Louvain-la-neuve, Belgium, (3) Department of Radiology, University Hospital, LMU Munich, Munich, Germany, (4) Centre Leon Berard, Universite de Lyon, Lyon, France, (5) Department of Medical Physics, Ludwig-Maximilians-Universitaet Muenchen (LMU Munich), Garching (Munich), Germany, (6) German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany, (7) Department of Radiation Oncology, University Hospital Cologne, Cologne, Germany
TU-B-TRACK 6-7Beam Path Length From Isocenter to Skin On Cone Beam CT Images as An Adaptive Planning Indicator of Head and Neck Patients Undergoing Proton Therapy
N Biswal*, B Zhang, J Molitoris, M Witek, B Yi, Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
TU-C-TRACK 3-1A Deep Learning Technique for Projection Interpolation in CBCT Reconstruction
K Lu1*, Z Zhang1, L Ren2, F Yin2, (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC
TU-C-TRACK 3-3A Method for 4D Cone-Beam CT in Under 20 Seconds with New Generation Linacs
S Blake*, O Dillon, R O'Brien, ACRF Image-X Institute, University of Sydney, Sydney, NSW, AU
TU-C-TRACK 3-4Dual-Encoder Convolutional Neural Network (DeCNN) for Average Image-Constrained 4D-CBCT Reconstruction
Z Jiang1*, Z Zhang2, Y Chang3, F Yin4, L Ren5, (1) Duke Univeristy, Durham, NC, (2) Duke Univeristy, Durham, NC, (3) Duke University, Durham, NC, (4) Duke University, Durham, NC, (5) Duke University, Durham, NC
TU-C-TRACK 3-5Faster Safer Clearer 4DCBCT: Results of the ADAPT Clinical Trial
O Dillon1*, B Lau1, T Reynolds1, P Keall1, S Vinod2, A Wallis3, S Smith4, J Sonke5, R O'Brien1, (1) University of Sydney, Sydney, NSW, AU, (2) University Of New South Wales, Sydney, NSW, AU,(3) Liverpool Hospital Sydney, Sydney, NSW, AU, (4) South Western Sydney Lhd, Sydney, NSW, AU, (5) Netherlands Cancer Institute, Amsterdam, NH, NL
TU-C-TRACK 3-6Rapid Low Dose 4DCBCT
B Lau1*, O Dillon1, T Reynolds1, P Keall1, J Sonke2, S Vinod3,4, R O'Brien1, (1) ACRF Image X Institute, University of Sydney, Sydney, NSW, AU, (2) Netherlands Cancer Institute, Amsterdam, (3) University Of New South Wales, Sydney, NSW, AU, (4) Liverpool Hospital Sydney, Sydney, NSW, AU
TU-C-TRACK 3-7Reference-Free, Learning-Based Rigid Motion Compensation in Cone-Beam CT for Interventional Neuroradiology
H Huang1*, J Siewerdsen1,2, W Zbijewski1, C Weiss2, T Ehtiati3, A Sisniega1, (1) The Johns Hopkins University, Baltimore, MD (2) Russell H. Morgan Department of Radiology, Johns Hopkins University, Baltimore, MD (3) Siemens Healthineers, Forchheim, Germany
TU-C-TRACK 4-3BEST IN PHYSICS (MULTI-DISCIPLINARY): Lung Treatment Planning with Parametric Response Mapping Function Guidance
C K Matrosic*, D R Owen, D Polan, Y Sun, S Jolly, C Schonewolf, M Schipper, R Ten Haken, C Galban, M Matuszak, University of Michigan, Ann Arbor, MI
TU-C-TRACK 4-5Simultaneous Whole-Lung Ventilation-Perfusion Imaging with Volumetric CT in Non-Small Cell Lung Cancer: A Feasibility Study
H Young1,2,3*, F Su3, T Lee2,3,4, S Gaede1,2, (1) London Regional Cancer Program, London, ON, CA, (2) Western University, London, ON, CA, (3) Robarts Research Institute, London, ON, CA, (4) Lawson Health Research Institute, London, ON, CA
TU-CD-TRACK 5-0Radiomics and Outcome Prediction
H Aerts1*, Y Xiao2*, F Yin3*, E Deutsch4*, (1) Dana-Farber/Brigham Womens Cancer Center, Boston, MA, (2) University of Pennsylvania, Philadelphia, PA, (3) Duke University, Chapel Hill, NC, (4) Universite Paris-saclay, Villejuif, FR
TU-D-TRACK 3-1Convolutional Neural Network Based Metal Artifact Correction for Sparse View Dental CT Imaging
S Kim*, J Ahn, B Kim, J Baek, Yonsei University, Incheon, 28KR,
TU-D-TRACK 3-2Low-Dose CT Image Enhancement Through a Texture Transformer
S Zhou1*, L Yu2, M Jin1, (1) University of Texas at Arlington, Arlington, TX, (2) Mayo Clinic, Rochester, MN
TU-D-TRACK 3-3Multi-Resolution Residual Deep Neural Network for Generating Synthetic CT Images with High HU Accuracy and Structural Fidelity
W WU1*,J Qu2, J Cai3, R Yang1, (1) Peking University Third Hospital, Beijing, China (2) Capital Medical University, Beijing, China (3) The Hong Kong Polytechnic University, Hong Kong, China
TU-D-TRACK 3-5Synthesize 3D Realistic CT Textures and Anatomy in the XCAT Phantom Using Generative Adversarial Network (GAN)
Y Yuan*, L Ren, Y Chang, Duke University Medical Center, Durham, NC
TU-D-TRACK 3-6Task-Based Loss Function for Convolutional Neural Network-Based CT Denoising
B Nelson1*, D Gomez Cardona2, N Huber1, A Missert1, L Yu1, C McCollough1, (1) Mayo Clinic, Rochester, MN, (2) Gundersen Health System, La Crosse, WI
TU-D-TRACK 3-7Evaluation of Image-Domain Training Frameworks for Deep Learning Based Denoising and Deconvolution
P VanMeter1*, S Hsieh1, J Marsh1, N Huber1, A Ferrero1, C McCollough1, (1) Department of Radiology, Mayo Clinic, Rochester, MN
TU-E-TRACK 3-0Quantitative SPECT for Radionuclide and External Beam Treatment Planning
J Dickson1*, S Kappadath2*, S Kappadath3*, (1) University College London, London, UK,(2) UT MD Anderson Cancer Center, Houston, TX, (3) UT MD Anderson Cancer Center, Houston, TX
TU-E-TRACK 5-6TOPAS-NBio Simulation of Radiation Chemistry Following FLASH Irradiation Including Reactions of Biological Importance
M Grochowska1*, A Rucinski2, R Schulte3, J Ramos-Mendez4, (1) University of Warsaw, Warsaw, ,PL, (2) Institute of Nuclear Physics PAN, Krakow, ,PL, (3) Loma Linda University, Loma Linda, CA, (4) University of California San Francisco, San Francisco, CA
TU-EF-TRACK 4-2BEST IN PHYSICS (MULTI-DISCIPLINARY): Focused KV X-Rays for Radiotherapy and Imaging of Small Targets
W Liu1*, N R Bennett1, Y Li1, L Shi1, Z Zhang1, H Yan2, W Sun3, E Graves1, L Xing1, C MacDonald3, A Wang1, (1) Stanford University, Stanford, CA, (2) Capital Medical University, Beijing, China, (3) University of Albany, SUNY, Albany, NY
TU-EF-TRACK 4-7Spatiotemporal Dose Characterization of An Electron FLASH Beam From a LINAC Using Radioluminescence and Cherenkov Imaging
M Rahman1*, M Ashraf1, R Zhang1,2,3, D Gladstone1,2,3, X Cao1, B Williams1,2,3, J Hoopes1,2,3,4, B Pogue1,3,4, P Bruza1, (1) Thayer School of Engineering, Dartmouth College, Hanover, NH, (2) Department of Medicine, Radiation Oncology, Geisel School of Medicine, Dartmouth College, Hanover, NH, (3) Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, (4) Department of Surgery, Geisel School of Medicine, Dartmouth College, Hanover, NH
TU-EF-TRACK 4-9Thoracic 4D Cone-Beam CT Registration Incorporating a Fan-Beam CT-Derived Feasible Motion Descriptor
Y Sang*, D Ruan, Department of Radiation Oncology and Department of Bioengineering, University of California, Los Angeles, CA
TU-F-TRACK 3-1Estimating Ischemic Core Volume with Four Dynamic Images in CT Perfusion
K Chung*, D Lee, S Pandey, J Mandzia, A Khaw, T Lee, University Of Western Ontario, London, ON, CA
TU-F-TRACK 3-2JACK FOWLER EARLY-CAREER INVESTIGATOR COMPETITION WINNER: Imaging From the Cervical to the Lumbar Spine with a Continuous Multi-Turn Reverse Helical 3D Cone-Beam CT Scan
T Reynolds1*, Y Ma2, G Gang2, O Dillon1, T Russ3, W Wang2, T Ehtiati4, C Weiss2, N Theodore2, J Siewerdsen2, R O'Brien1, J Stayman2, (1) ACRF Image X Institute, University of Sydney, Sydney, NSW, AU (2) Johns Hopkins University, Baltimore, MD, (3) Heidelberg University, Mannheim, GER, (4) Siemens Healthineers, Forchheim, GER
TU-F-TRACK 3-4Ordered Subsets PWLS Reconstruction of Multi-Layer Detector MV-CBCT Data Using TIGRE
M Jacobson1*, M Lehmann2, P Huber2, M Myronakis1, T Harris1, I Valencia Lozano1, R Fueglistaller2, C Williams1, D Morf2, R Berbeco1, (1) Brigham and Women's Hospital, Dana-Farber Cancer Institute, and Harvard Medical School, Boston, MA (2) Varian Medical Systems, Baden-Dattwil, Switzerland
TU-F-TRACK 3-5Reconstructing Dual KV Data Using the COSSCIR “One-Step” Direct Inversion Algorithm
B Rizzo1*, E Sidky2, T Schmidt1, (1) Marquette University, Milwaukee, WI, (2) University of Chicago, Chicago, IL
TU-F-TRACK 3-6Weight-Bearing C-Arm Cone-Beam CT Using a Dynamic Range Reducer (DyRaR): Initial Prototype and Phantom Studies
N Bennett1*, H Zhang2, K Mueller3, R Fahrig4, A Maier5, M Levenston1, G Gold1, A Wang1, (1) Stanford University, Stanford, CA, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Siemens Medical Solutions, San Francisco, CA, (4) Siemens Healthcare GmbH, Forchheim, Germany, (5) FAU University, Erlangen, Germany
TU-F-TRACK 5-6Absolute Dosimetry of Ultra-High Dose Rate Pulsed Electron Beams Using a Graphite Probe Calorimeter
F Keszti*1, A Bourgouin2, A Schueller2, W Simon3, A Schoenfeld3, J Seuntjens1, J Renaud4, (1) McGill University, Montreal, QC, CA, (2) Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Lower Saxony, DE, (3) Sun Nuclear Corporation, Melbourne, FL, (4) National Research Council Canada, Ottawa, ON, CA
TU-F-TRACK 5-7A Pyroelectric Calorimeter with Electrometer Readout for the Absolute Dosimetry of FLASH Radiation: Proof of Principle
J Renaud*, B Muir, National Research Council, Ottawa, ON
TU-F-TRACK 6-2Automatic Segmentation and Physician Review of Intact and Post-Operative Prostate Radiotherapy Contours
M El Basha1,2*, D Fuentes1,2, J Pollard-Larkin1,2, F Poenisch2, Z Yu1,2, S Frank2, C Tang2, A Aggarwal3, L Court1,2, C Cardenas1,2, (1) UT MD Anderson UT Health Graduate School of Biomedical Sciences, Houston, TX, (2) University of Texas MD Anderson Cancer Center, Houston, TX, (3) Guy's and St. Thomas' NHS Foundation Trust, London, UK
TU-F-TRACK 6-4Auto-Segmentation of Organs-At-Risk in Head and Neck CT Images with Dual Shape Guided Network
S Wang*, T Yanagihara, B Chera, C Shen, P Yap, J Lian, UNC at Chapel Hill, Chapel Hill, NC
TU-F-TRACK 6-5Improving Cone-Beam CT Based Organ Segmentation with Attention and Knowledge Transfer
H Zhou1*, Y Min2, A Kishan2, S Yoon2, M Cao2, D Ruan12, (1) Department of Bioengineering, UCLA, Los Angeles, CA, (2) Department of Radiation Oncology, UCLA, Los Angeles, CA
TU-F-TRACK 6-6Measuring the Clinical Impact of the Introduction of a Novel Auto-Contouring Workflow for 0.35T MRI-Guided Pelvic Radiotherapy
Y Abdulkadir*, D Luximon, E Morris, P Chow, J Lamb, University of California, Los Angeles, Los Angeles, CA
TU-IePD-TRACK 1-1A Quantitative Evaluation of Computational Paediatric Phantoms for Radiotherapy Applications
R Ahmad1*, C Borrelli1, J Cantwell2, P Lim2, D D'Souza2, S Moinuddin2, J Gains2, C Veiga1 (1) University College London, London, GB, (2) University College London Hospital, London, GB
TU-IePD-TRACK 1-1Development of An Automated Analysis Software for Daily CT QA
A Hart1*, A Watkins2, M Bazalova-Carter1, C Uribe3,4, (1) University of Victoria, Victoria, BC, CA, (2) Simon Fraser University, Burnaby, BC, CA, (3) University of British Columbia, Vancouver, BC, CA, (4) BC Cancer, Vancouver, BC, CA
TU-IePD-TRACK 1-2Anatomically Realistic Simulation of Random Human Airway Trees
J Whitehead*, L Torres, A Hahn, S Fain, M Speidel, M Wagner, University of Wisconsin, Madison, WI
TU-IePD-TRACK 1-3Development and Characterization of a Dynamic, Anatomically Realistic, Abdominal Phantom for Simulating Complex Deformable Motion in Cone-Beam CT
Y Liu1*, H Huang1, J Siewerdsen1, W Zbijewski1, C Weiss1, T Ehtiati2, A Sisniega1, (1) Johns Hopkins University, Baltimore, MD, (2) Siemens Medical Solutions USA
TU-IePD-TRACK 1-4Smoothed Delineation Uncertainties Contouring (SDUC) Model
V Ly1*, L Liu1, C Cardenas2, K Hoffman2, L Court2, X Luo1, (1) University of Texas Health Science Center, Houston, Texas, (2) University of Texas MD Anderson Cancer Center, Houston, TX
TU-IePD-TRACK 3-1Deep Learning-Based Real-Time Volumetric Imaging Using Single CBCT Projections
Y Lei*, Z Tian, T Wang, J Roper, A Kesarwala, E Schreibmann, K Higgins, J Bradley, T Liu, X Yang, Emory Univ, Atlanta, GA
TU-IePD-TRACK 3-4Using Artificial Intelligence to Automatically Track the Response of Brain Metastases to Stereotactic Radiosurgery
D Hsu*, A Ballangrud, J Deasy, H Veeraraghavan, K Beal, L Cervino, M Aristophanous, Memorial Sloan Kettering Cancer Center, New York, NY
TU-IePD-TRACK 3-5Initial Experience of CBCT-Based Adaptive Radiotherapy with Ethos for Postoperative Prostate SBRT
H Morgan*, D Nguyen, A Garant, N Desai, M Folkert, R Hannan, B Cai, M Lin, S Jiang, J Park, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX
TU-IePD-TRACK 3-7CBCT-Based, Physicist-Driven Daily Adaptive Protocol for Locally Advanced Cervical Cancer: Improved Target Coverage and Reduced Margins in a 20-Minute Treatment Slot
D Branco*, J Mayadev, K Moore, X Ray, UC San Diego, La Jolla, CA
TU-IePD-TRACK 4-1A Clinically Implemented Watchdog Program to Streamline Adaptive LINAC-Based Head and Neck Radiotherapy
M Aristophanous*, E Aliotta, A Caringi, B Rochford, N Allgood, P Zhang, Y Hu, P Zhang, L Cervino, Memorial Sloan Kettering Cancer Center, New York, NY
TU-IePD-TRACK 4-3Integrated Structure Name Mapping with CNN
P Bose1*, W Sleeman2, S Srinivasan3, J Palta4, R Kapoor5, P Ghosh6, (1) Virginia Commonwealth University,Richmond, VA, (2) Virginia Commonwealth University, Richmond, VA, (3) Virginia Commonwealth University,Richmond, VA, (4) Virginia Commonwealth University, Richmond, VA, (5) VCU Health System, Richmond, VA, (6) Virginia Commonwealth University, Richmond, VA,
TU-IePD-TRACK 4-5On the Application of a Variational Autoencoder (VAE) and Transfer Learning to Account for Inter-Observer Uncertainties in Automatic Prostate Gland Segmentation
H Bagher-Ebadian*1,2, X Li3, E Mohamed1,2, B Movsas1,2, D Zhu3, IJ Chetty1,2, (1) Henry Ford Health System, Detroit, MI, (2) Henry Ford Cancer Institute, Detroit, MI, (3) Wayne State University, Detroit, MI
WE-AB-TRACK 3-0Robotic X-Ray Systems: Emerging Platform for Improved Radiography, 3D Imaging, and Interventional Radiology
T Reynolds1*, T Reynolds1*, G Gang2*, L Ritschl3*, (1) University of Sydney, Eveleigh, AU, (2) Johns Hopkins University, Baltimore, MD, (3) Siemens Healthineers
WE-AB-TRACK 3-1Adaptive Imaging - Syncing with Patients for Safer and Smarter 3D Imaging
T Reynolds1*, T Reynolds1*, G Gang2*, L Ritschl3*, (1) University of Sydney, Eveleigh, AU, (2) Johns Hopkins University, Baltimore, MD, (3) Siemens Healthineers
WE-AB-TRACK 3-2Non-Circular Trajectories in Cone-Beam CT Imaging
T Reynolds1*, T Reynolds1*, G Gang2*, L Ritschl3*, (1) University of Sydney, Eveleigh, AU, (2) Johns Hopkins University, Baltimore, MD, (3) Siemens Healthineers
WE-AB-TRACK 3-3Task Driven/Metal Artefact Reduction Orbits
T Reynolds1*, T Reynolds1*, G Gang2*, L Ritschl3*, (1) University of Sydney, Eveleigh, AU, (2) Johns Hopkins University, Baltimore, MD, (3) Siemens Healthineers
WE-AB-TRACK 3-4Advanced Imaging using Multitom Rax
T Reynolds1*, T Reynolds1*, G Gang2*, L Ritschl3*, (1) University of Sydney, Eveleigh, AU, (2) Johns Hopkins University, Baltimore, MD, (3) Siemens Healthineers
WE-B-TRACK 6-6Simultaneous Proton Dose and LET Measurements Using Dual Storage Phosphors
J Setianegara*, T Mazur, D Yang, H Li, Washington University School of Medicine, St. Louis, MO
WE-B-TRACK 6-7Development of An Imaging System for Proton Pencil Beam Spot Profile Determination
J Setianegara*, T Mazur, Y Hao, D Yang, H Li, Washington University School of Medicine, St. Louis, MO
WE-D-TRACK 1-1Towards Contour Quality Assurance of Cardiac Structures with Automatic Segmentation
C Uche1, H Geng2, J Yu3, E Gore4, Y Xiao5, (1) University of Pennsylvania, Philadelphia, PA, (2) University Of Pennsylvania, Philadelphia, PA,(3) NRG Oncology Statistics and Data Management Center, Philadelphia, PA,(4) Medical College of Wisconsin, Milwaukee, Wisconsin,(5) University of Pennsylvania, Philadelphia, PA
WE-D-TRACK 3-3Diagnostic Reference Levels (DRLs) and Achievable Doses (ADs) for the 11 Most Commonly Performed Pediatric CT Examinations in the United States (USA) as a Function of Patient Age and Size Using 1.5 Million Examinations in the American College of Radiology (ACR) CT Dose Index Registry
K Kanal1*, P Butler2, M Chatfield2, J Wells3, E Samei3, M Simanowith2, D Golden2, D Gress2, J Burleson2, W Sensakovic4, K Strauss5, D Frush3, (1) University of Washington, Seattle, WA, (2) American College of Radiology, Reston, VA , (3) Duke University Medical Center, Durham, NC, (4) Mayo Clinic, Phoenix, AZ, (5) Children's Hospital Medical Center, Cincinnati, OH,
WE-D-TRACK 3-5Longitudinal QC Testing of CBCT and Helical MDCT Systems with a Unified Image Quality and Dose Phantom
M Mahesh*, M Fernandez, A Uneri, J Boone, J Siewerdsen, Johns Hopkins Univ, Baltimore, MD
WE-D-TRACK 3-6A Scanner-Specific Simulation Platform for Virtual Imaging Trials in Deep Si-Based Photon-Counting CT
S Sharma1*, D Pal2, E Abadi3, P Segars4, J Hsieh5, E Samei6, (1) Duke University, Durham, NC, (2) GE Healthcare, Menlo Park, CA, (3) Duke University, Durham, NC, (4) Duke University, Durham, NC, (5) GE Healthcare, Milwaukee, WI, (6) Duke University, Durham, NC
WE-D-TRACK 3-7Accurate and Efficient Measurement of Channelized Hotelling Observer-Based Low-Contrast Detectability On the ACR Accreditation Phantom
M Fan*, T Vrieze, T Thayib, C McCollough, L Yu, Mayo Clinic, Rochester, MN
WE-E-TRACK 6-3Defining Dose Thresholds to the Optic Disc and Macula to Predict Vision Complications: A COMS Retrospective Study
C Oare*, B Gerbi, K Dusenbery, D Koozekanani, S Sun, C Ferreira, University of Minnesota, Minneapolis, MN
WE-F-TRACK 3-3A Novel End-To-End Deep Learning Based Beamformer for Flexible Array Ultrasound Transducer
X Huang*, M Lediju Bell, K Ding, Johns Hopkins University, Baltimore, MD
WE-F-TRACK 6-7Computational Prediction of Symptomatic RP Based On Planning Computed Tomography Images Using Topologically Invariant Betti Numbers Prior to Stereotactic Body Radiation Therapy
K Ninomiya1*, H Arimura1, T Yoshitake2, T Hirose2, Y Shioyama3, (1) Kyushu University, Fukuoka, JP (2) Kyushu University Hospital, Fukuoka, JP (3) SAGA HIMAT Foundation, Saga, JP
WE-IePD-TRACK 1-1Deep Learning Model for Scatter Correction in Dedicated Breast CT
J Pautasso1*, M Caballo1, K Michielsen 1, I Sechopoulos12, (1) Dept. of Medical Imaging, Radboud University Medical Center, Nijmegen, NL. (2) Dutch Expert Centre for Screening (LRCB), Nijmegen, NL.
WE-IePD-TRACK 1-1An X-Ray Fluence Modulation Apparatus for Cone-Beam CT
P Ghazi*, S Youssefian, T Ghazi, MALCOVA LLC, Baltimore, MD
WE-IePD-TRACK 1-3Online Bayesian Geometric Calibration of CBCT Systems
O Dillon*, T Reynolds, R O'Brien, University of Sydney, Sydney, NSWAU,
WE-IePD-TRACK 1-3Correcting Cone-Beam CT for Patient-Generated Scatter Using Bayesian Monte Carlo Extrapolation
S Blake*, O Dillon, R O'Brien, ACRF Image-X Institute, University of Sydney, Sydney, NSW, AU
WE-IePD-TRACK 1-4Dictionary-Learning Iterative Reconstruction for Sparse Data, Slot-Scanning, Breast CT
C Zhao1*, W Wang1, A Leong1, S Bambot2, J W Stayman1, (1) Johns Hopkins University, Baltimore, MD, (2) Fischer Imaging, West Hills, CA
WE-IePD-TRACK 1-4Gas Bubble Motion Artifact Reduction Through Simultaneous Motion Estimation and Image Reconstruction
K Wang*, H Shao, Y Zhang, J Wang, UT Southwestern Medical Center, Dallas, TX
WE-IePD-TRACK 1-5Scatter Correction for Cone Beam CT Using Half-Beam Blocker and Local-Filtration Scatter Estimation
H Cui*, X Jiang, Y Yang, University of Science and Technology of China, Hefei, China
WE-IePD-TRACK 1-5Towards Megavoltage Cone Beam CT (CBCT) with Image Quality of Kilovoltage CBCT
J O'Connell*, C Lindsay, M Bazalova-Carter, University of Victoria, BC, Canada
WE-IePD-TRACK 1-6Reducing Scan Time and Dose: Motion Compensated Reconstruction for Adaptive 4DCBCT
B Lau1*, O Dillon1, T Reynolds1, P Keall1, J Sonke2, S Vinod3,4, R O'Brien1, (1) ACRF Image X Institute, University of Sydney, Sydney, NSW, AU, (2) Netherlands Cancer Institute, Amsterdam, (3) University Of New South Wales, Sydney, NSW, AU, (4) Liverpool Hospital Sydney, Sydney, NSW, AU
WE-IePD-TRACK 1-7A Generative Adversarial Network (GAN)-Based Technique for Synthesizing On-Board Imaging Artifacts in the Extended Cardiac-Torso (XCAT) Phantoms
Y Chang1*, Z Zhang1, Z Jiang1, Y Lai2, L Ren1, (1) Duke University, Durham, NC, (2) University of Texas Southwestern Medical Center, Dallas, TX
WE-IePD-TRACK 1-7A Geometry-Guided Deep Learning Technique for CBCT Reconstruction
K Lu1*, L Ren2, F Yin2, (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC
WE-IePD-TRACK 2-1Patient-Specific Estimates of Absorbed and Effective Dose in Pediatric 18FDG PET/CT Imaging Studies
R Nosrati1,2*, C Kofler3, B Sexton-stallone2, R MacDougall4, W Bolch3, F Fahey1,2, (1) Harvard Medical School, Boston, MA, (2) Children's Hospital, Boston, MA, (3) University of Florida, Gainesville, Florida,(4) Canon Medical Systems USA, Tustin, CA
WE-IePD-TRACK 2-4Global Noise Analysis of Single and Dual Source CT for Obese Patients
MA Thomas*, M Ahmad, MC Jacobsen, N Wagner-Bartak, C Jensen, RR Layman, UT MD Anderson Cancer Center, Houston, TX
WE-IePD-TRACK 2-4Monte Carlo Study on PET Imaging Used as An Image-Guidance Tool in Very High-Energy Electron Therapy
A Bonfrate1,2*, R M Jones1,2, (1) University of Manchester, Manchester, UK, (2) Cockcroft Institute, Warrington, UK
WE-IePD-TRACK 2-5Deep Learning Vs. Iterative Reconstruction in CT Dose Reduction and Image Texture Preservation:A Live Animal Study
J Zhang1, F Raslau2, H Ganesh3, E Escott4, J Zhang5*, (1) Math Science Technology Center (mstc), Paul Laurence Dunbar High School, ,,(2) University of Kentucky, Lexington, KY, (3) University Of Kentucky, ,,(4) ,,,(5) University of Kentucky, Lexington, KY
WE-IePD-TRACK 2-6Classification of Tumor Progression and Radiation Necrosis Following Gamma Knife for Brain Metastases Using Radiomic Features and Clinical Variables
D Mitchell*, S Buszek, B Tran, H Liu, D Luo, S Ferguson, C Chung, UT MD Anderson Cancer Center, Houston, TX
WE-IePD-TRACK 3-1Change in ADC as An Indicator of Radionecrosis
M N Gwilliam*, T Muniz, J Xie, B Driscoll, M Butler, C Coolens, Princess Margaret Cancer Centre, Toronto, ON
WE-IePD-TRACK 3-1An AI-Based Watchdog Application to Screen Out COVID-19 Patients in Radiation Therapy
J Tan*, D Nguyen, J Wu, P Iyengar, F Kay, Y Yan, S Jiang, UT Southwestern Medical Center, Dallas, TX
WE-IePD-TRACK 3-2Characterization of Lobe-Wise Ventilation and Elasticity in Patients with Chronic Obstructive Pulmonary Disease
M Lauria*, B Stiehl, L Naumann, A Santhanam, D O'Connell, K Singhrao, J Goldin, I Barjaktarevic, D Low, University of California, Los Angeles, Los Angeles, CA
WE-IePD-TRACK 3-3Machine Learning Based Prediction of Big Inter-Fractional Changes in Lung Tumor Motion During Radiotherapy Course Using Robust Feature Selection
Q Wang*, L Dong, B Teo, H Lin, S O'Reilly, University of Pennsylvania, Philadelphia, PA
WE-IePD-TRACK 4-1IGRT-Based On-Line Dose Estimation in Proton Therapy
S Flampouri1*, W LePain2, M McDonald1, (1) Emory University, Atlanta, GA, (2) Georgia Tech, Atlanta, GA
WE-IePD-TRACK 4-2Imaging Biomarkers for Radiation-Induced Airway Changes in a Swine Model
E Wallat1*, A Wuschner1, M Flakus1, J Reinhardt2, G Christensen2, J Bayouth1, (1) University of Wisconsin, Madison, WI, (2) University of Iowa, Iowa City, IA
WE-IePD-TRACK 4-3Overall Survival Prediction Via An Interpretable Machine Learning Model for Patients with Oropharyngeal Cancer
X Pan1*, T Feng2, X Qi3, C Liu4, (1) Xi'an University of Posts and Telecommunications, Xi'an,shaanxi, ,CN, (2) Xi'an University of Posts and Telecommunications, Xi'an,shaanxi, ,CN (3) UCLA School of Medicine, Los Angeles, CA, (4) Xi'an University of Posts and Telecommunications, Xi'an,shaanxi, ,CN
WE-IePD-TRACK 4-3Improving the Performance of a Proton Computed Tomography Scanner with An Empirical Artifact Correction Method
G Landry*6,7,1, J Dickmann1, C Sarosiek2, S Goetz1, M Pankuch3, G Coutrakon2, R P Johnson4, R W Schulte5, K Parodi1, G Dedes1, (1) Ludwig-Maximilians-Universitaet Muenchen, Munich, Germany, (2) Northern Illinois University, DeKalb, IL, (3) Northwestern Medicine Chicago Proton Center, Warrenville, IL, (4) U.C. Santa Cruz, Santa Cruz, CA, (5) Loma Linda University, Loma Linda, CA, (6) University Hospital, LMU Munich, Munich, Germany, (7) German Cancer Consortium (DKTK), Munich, Germany
WE-IePD-TRACK 4-5Prediction of Cardiotoxicity for Breast Cancer Patients Using Light Gradient Boosting Machine
Z Jiang1*, P Diao2, Y Liang3, K Dai4, H Li5, H Wang6, Y Chen7, M Lu8, Y Kuang9, (1) University of Nevada, Las Vegas, Las Vegas, NV, (2) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (3) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (4) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (5) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (6) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (7) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (8) Sichuan Cancer Hospital, Chengdu, Sichuan, CN, (9) University of Nevada, Las Vegas, Las Vegas, NV
WE-IePD-TRACK 4-6A Novel Reconstruction Method for 3D Cone Beam CT Images in Proton Therapy Using RTK
J Lindsay1*, A Bryce-atkinson1, M Taylor1,2, S Meara2,1, M Aznar1,2, M van Herk1,2, (1) The University of Manchester, Manchester, GB, (2) The Christie NHS Foundation Trust, Manchester, GB
WE-IePD-TRACK 5-1Impact of Machine Uncertainties On Dosimetric Robustness of Modern-Day Stereotactic Radiosurgery Techniques
T Cui1*, I Vergalasova1, H Liu2, M Alonso-Basanta3, L Dong3, J Li2, K Nie1, W Shi2, B Teo3, Y Yu2, N Yue1, J Zou3, T Li3, (1) Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ (2)Department of Radiation Oncology, Thomas Jefferson University Kimmel Cancer Center, Philadelphia, PA (3)Department of Radiation Oncology, University of Pennsylvania Abramson Cancer Center, Philadelphia, PA
WE-IePD-TRACK 5-2Multi-Domain Statistical Modeling of Treatment Tolerance in Patients with Gastric and Esophageal Adenocarcinoma
A Toronka*, M Defreitas, B Konkel, M Nedrud, I Zaki, A Valentine, S Cubberley, F Yin, M Bashir, K Lafata, Duke University, Durham, NC
WE-IePD-TRACK 5-2Dosimetric Impact of Dose Calculation Algorithms On Lung SBRT Plan for COPD Patients
S Jang*, S Lee, X Zhang, K Mak, A Hirsch, M Truong, Boston Medical Center and Boston University School of Medicine, Boston, MA
WE-IePD-TRACK 5-3Robust Optimization with Multiple-CT Sets to Account for Deep Inspiration Breath Hold Variation in Pancreatic Stereotactic Body Radiotherapy
D Miles*, C Hill, A Narang, H Li, S Han-Oh, Johns Hopkins Medicine, Baltimore, MD
WE-IePD-TRACK 5-5Uncertainties in the Lung Heterogeneity Correction and Local Control for Lung SBRT
B Erickson*, B Ackerson, C Kelsey, F Yin, W Giles, J Adamson, Duke University, Durham, NC
WE-IePD-TRACK 5-7Improving the Uniqueness of Numerically Extracted Proton Pencil-Beam Energy Spectrum From Integral Depth Dose
W Yao*, University of Maryland School of Medicine, Baltimore, MD
WE-IePD-TRACK 6-2Prediction of Radiation Pneumonitis for NSCLC Using Crop Convolutional Neural Network Based Model
D Kawahara1*, N Imano1, R Nishioka2, A Saito1, Y Nagata1, (1) Hiroshima University,Hiroshima, JP, (2) Medical and Dental Sciences Course, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima, JP
WE-IePD-TRACK 6-5An Automatic, Uncertainty Model-Guided, Target-Generating Algorithm Improves Target Volumes in Lung SBRT
A Yock*, A Knutson, E Osmundson, Vanderbilt University Medical Center, Nashville, TN
WE-IePD-TRACK 6-7Extracting Organ-Specific Radiobiological Model Parameters From Clinical Data for Radiation Therapy Planning of Head and Neck Cancers
E Quashie*, A Tai, P Prior, M Awan, C Schultz, X Li, Medical College of Wisconsin, Milwaukee, WI

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