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Keywords: stereotactic radiosurgery
| MO-IePD-TRACK 4-5 | Exploratory 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 6-6 | Optimal 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 6-7 | Evaluation 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-M-100 | Evaluating 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-102 | Integrating 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-143 | Evaluation 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-153 | Analysis 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-161 | Clinical 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-188 | Geometric 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-P-22 | Recommendations 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-37 | Retrospective 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-93 | Can 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-150 | Development of An In-House Off Axis Mechanical Isocentricity Test J Seekamp*, D Pearson, University of Toledo, Toledo, OH |
| PO-GePV-T-157 | An 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-208 | A 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-248 | Dosimetric 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-282 | Clinical 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-295 | A Simple Method for Accurate Multi-Target Winston-Lutz Testing G Gilson*, Abbott Northwestern Hospital, Minneapolis, MN |
| PO-GePV-T-323 | Dosimetric 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-337 | Effect 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-341 | A 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-342 | Consistency 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-344 | A 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-349 | Thresholding Gamma Analysis On SRS Anthropomorphic Phantoms A Molineu*, L Acuna Scafati, S Kry, UT MD Anderson Cancer Center, Houston, TX |
| PO-GePV-T-353 | Implementing 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-360 | Clinical 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-362 | Investigation 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-368 | To 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-370 | Impact 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-374 | The 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-380 | Direct 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-389 | Dosimetric 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-392 | Brain 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-393 | Optimizing 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-397 | New 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-408 | Can 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-409 | A 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-413 | Single 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-414 | Treatment 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-416 | Northwestern 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-419 | Measuring 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-420 | Dosimetric 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-421 | End 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-423 | Feasibility 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-424 | Effect 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-426 | Dosimetric 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 |
| SU-A-TRACK 6-7 | Treatment 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-IePD-TRACK 6-6 | Evaluation 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 6-7 | Evaluation 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-C-TRACK 5-4 | Management 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-D-TRACK 3-3 | Deep 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-E-TRACK 6-1 | Cardiac 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 6-2 | Dose 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 6-4 | Single-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 6-5 | Comparison 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 6-6 | Assessment 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 3-2 | Feasibility 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 |
| TU-IePD-TRACK 3-4 | Using 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 |
| WE-F-TRACK 6-7 | Computational 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 5-1 | Impact 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 5-2 | Dosimetric 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 5-3 | Robust 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 5-5 | Uncertainties 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 6-5 | An 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 |