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Keywords: Stereotactic Radiosurgery
MO-C930-IePD-F7-1Stereotactic Radiosurgery of Small Brain Lesions Via MLC Aperture-Shape Controller HyperArc VMAT
D Pokhrel*, M Kudrimoti, M Bernard, University of Kentucky, Lexington, KY
MO-E115-IePD-F7-5Can Image Segmentation Evaluation Metrics Be Used for Assessing the Quality of SBRT Plans?
T Arsenault1*, A Amini1, A Baydoun1, B George2, L Bailey2, S Bhat2, R Kashani3, T Podder3, (1) University Hospitals Cleveland Medical Center, Cleveland, OH, (2) Case Western Reserve University, School Of Medicine,(3) Seidman Cancer Center /Uh Cleveland & CWRU, OH, Cleveland, OH
MO-G-202-5Probabilistic Interpretation of a Single-Isocenter Multi-Target SRS Robustness Analysis
N Bice*, J Xue, K Osterman, D Barbee, P Galavis, T Qu, J Teruel, NYU Langone Health, New York, NY
MO-H345-IePD-F1-4Define Target Volume for Cardiac Radioablation Surgery Using Integration of Endoventricle Electroanatomic Mapping and Coherent Point Drift
T Chen*, H Wang, Y Yuan, C Barbhaiya, D Barbee, New York University, New York, NY
MO-H345-IePD-F7-6Development and Implementation of An Automated Planning Algorithm for Multi-Metastatic Stereotactic Radiosurgery Using Eclipse Scripting
T Mann1,2*, N Ploquin1,2, K Thind1,3, (1) University of Calgary, Calgary, Alberta, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA, (3) Henry Ford Health Systems, Detroit, Michigan
PO-GePV-M-59Brain Metastasis Stereotactic Radiosurgery Radiomics-Based Outcome Prediction Accuracy Is Dependent On Metastasis Volume and MRI Scanner
D DeVries1,2*, F Lagerwaard3, J Zindler4,5, T Yeung6, G Rodrigues1,2, G Hajdok1,7, A Ward1,2, (1) Western University, London, ON, CA, (2) London Regional Cancer Program, London, ON, CA, (3) Amsterdam UMC, Amsterdam, NL, (4) Haaglanden Medical Centre, Den Haag, NL, (5) Holland Proton Therapy Centre, Delft, NL, (6) Reflexion Medical Inc, (7) Niagara Health, ON, CA
PO-GePV-M-154During-Treatment Imaging Feasibility for Intrafraction Stereotactic Spine Treatment Evaluations
M Liu1*, D Drake2, D Lack3, M Sigler4, J Sliwinski5, K Barton6, D To7, I Grills8, J Liang9, (1) William Beaumont Hospital, Troy, Troy, MI, (2) William Beaumont Hospital, Royal Oak, MI, (3) William Beaumont Hospital, Troy, Troy, MI, (4) Beaumont, Troy, MI, (5) William Beaumont Hospital, (6) Varian, Troy, MI, (7) Beaumont Health, Center Line, MI, (8) Beaumont Health System, Royal Oak, MI, (9) William Beaumont Hospital, Troy, MI
PO-GePV-M-240Deep Learning-Based Synthetic CT Generation for MR-Only Adaptive Radiation Therapy On MR-Linacs
B Hunt1, B Zaki2, G Russo3, G Asher4*, G Gill5, C Thomas6, T Prioleau7, D Gladstone8, B Pogue9, R Zhang10, (1) Dartmouth College, Hanover, NH, (2) Dartmouth-hitchcock Medical Center, ,,(3) Dartmouth-hitchcock Medical Center, ,,(4) Dartmouth College, ,,(5) Dartmouth-hitchcock Medical Center, ,,(6) Dartmouth-Hitchcock Medical Center, ,,(7) Dartmouth College, ,,(8) Dartmouth College, Hanover, New Hampshire, (9) University of Wisconsin-Madison, Madison, WI, (10) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH
PO-GePV-M-246Feasibility of Stereotactic Radiotherapy for Base of Tongue Cancers On the MR-Linac
H Wang1*, (1) UT MD Anderson Cancer Center, Houston, TX
PO-GePV-M-290Optimized Small-Field Model for Linac-Based SRS On Varian TrueBeam with Millennium MLC 120 Yields Improved QA Results
L Fanelli1*, C Njeh2, (1) Schwarz Cancer Center at IU Health North, Carmel, IN, (2) Indiana University, Greenwood, IN
PO-GePV-T-79Comparison of Setup Uncertainty and Efficiency Between Klarity SBRT System and BlueBAG System for Spine SBRT
E Quan, S Krafft, M Vaccarelli, T Briere, E Han*, UT MD Anderson Cancer Ctr., Houston, TX
PO-GePV-T-80Evaluation of a Mini 6DoF Plate for End-To-End Test of Surface-Guided Radiation Therapy (SGRT)
J Sohn1,2*, M Polizzi1, S Kim1, (1) Virginia Commonwealth University, Richmond, VA, (2) Northwestern University Feinberg School of Medicine, Chicago, IL
PO-GePV-T-185Evaluation and Short-Term Outcomes of Proton SBRT Using Pencil Beam Scanning for Solitary NSCLC
C Shang, MB*, G Evans, M Rahman, T Williams, S. Florida Proton Therapy Institute, Delray Beach, FL
PO-GePV-T-261Hybrid Forward and Inverse Planning Approach For Lattice Radiation Therapy
G Shukla*, A Mahadevan, Geisinger, Lewistown, PA
PO-GePV-T-343Evaluation of the New Independent Dose Calculation SciMoCa as Patient-Specific Quality Assurance in the CyberKnife Treatment of Brain Metastases and Lung Cancer
K Sakai*1, 2, Y Nakajima1, 2, Y Suda2, S Kito2, Y Sato1, 3, K Yasui1, 2, Y Arai1, 2, T Takizawa1, 2, M Sato1, Y Fujita1, (1) Komazawa University, Setagaya-ku, Tokyo, Japan, (2) Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Bunkyo-Ku, Japan, (3) Tokyo Medical and Dental University, Bunkyo-Ku, Tokyo, Japan
PO-GePV-T-349Independent 3D Dose-Volume Verification for Brainlab Elements MultiMet Patients
M Naessig*, K Kelly, A Alvarez, T Wagner, E Galvan, N Papanikolaou, S Stathakis, University of Texas HSC SA, San Antonio, TX
PO-GePV-T-367Evaluation of a Novel-Integrated Quality Assurance Phantom for Winston-Lutz Test
A Rusnak1*, E Klein1,2, Y Yang1,2, (1) Brown University, Providence, RI (2) Rhode Island Hospital, Providence, RI
PO-GePV-T-372Evaluation of a Submillimeter-Resolution Detector Array for SRS Dosimetry
P Sabouri, A Boria, F Kalantari, N Shrestha, G Narayanasamy, M O'neil, Z Su*, University of Arkansas for Medical Sci, Little Rock, AR
PO-GePV-T-377Exploration of a Monte Carlo-Powered 3D Dose Verification of Single-Isocenter Multiple-Target SRS Plans
G Cui*, J Duan, F Yin, Duke University Medical Center, Durham, NC
PO-GePV-T-379Assessment of Commercial Patient Specific Quality Assurance (PSQA) Devices for LINAC-Based Stereotactic Radiotherapy Plans
S James1,2, E Elder2-3, C Huh1, A Al-Basheer1*, A Maghsoodpour1, J Barrett1, F Mostafaei1, (1) Augusta University, (2) Georgia Institute of Technology, (3) Emory University
PO-GePV-T-382Comparison of IMRT Quality Assurance for SRS Plans Using MapCheck2 in High-Density Mode Versus MyQA SRS
C Thropp1*, L Buchanan2, Y Yang2, G Cardarelli2, (1) Brown University, Providence, RI, (2) Rhode Island Hospital / Warren Alpert Medical, Providence, RI
PO-GePV-T-385Comparison of SRS QA Tools for Single and Multiple Target SRS Plans
C Teng*, E Sudentas, L Fu, M Chao, Y Lo, Mount Sinai Health System, New York, NY
PO-GePV-T-387Evaluation of 4Pi Arc Positioning for Cranial VMAT SRS in Elements
B Loughery*, C Knill, R Sandhu, L Lin, Z Seymour, Beaumont Hospital, Dearborn, MI
PO-GePV-T-388Knowledge Based Planning (KBP) as a Clinical Solution for Stereotactic Radiosurgery Cases (SRS) for Multiple Brain Metastases
K Guida, F Wang, G Gan, J Patel, O Trejo*, H Li, H Jiang, University of Kansas Cancer Center, Kansas City, KS
PO-GePV-T-394Analysis of Dose Drop Off Distance From Planning Target Volume Edge to 50% for Small Volume Tumors with Different Techniques
Aswathi Raj1,2*, D Khanna1, HRIDYA V T 1,2, Mohandass P3, Sathish P2, (1) Karunya Institute of Technology and Sciences, Coimbatore, TN, IN, (2) Aster MIMS,Calicut ,Kerala,IN (3) Fortis Hospital, Mohali, PB, IN.
PO-GePV-T-395Phantom Evaluation of Dose Calculation Accuracy Comparing BrainLab and Eclipse Treatment Planning Systems (TPS) for Brain Stereotactic Radiosurgery (SRS) with Simulation and Film Dosimetry
J Yoon*, H Jung, M Milano, K Usuki, S Hardy, D Zheng, University of Rochester, Rochester, NY
PO-GePV-T-396Dosimetric Evaluation of Two Modern Planning Techniques for Single-Isocenter, Multiple Brain Metastases Fractionated-Stereotactic Radiosurgery with >20 Lesions
H Jung*, J Yoon, M Milano, K Usuki, S Hardy, D Zheng, University of Rochester, Rochester, NY
PO-GePV-T-406Clinical Implementation of BrainLAB’s Element Planning System for Intracranial SRS Treatments of Arteriovenous Malformations
N Shrestha, G Narayanasamy, P Sabouri, F Kalantari, F Xia, Z Su, R Panthi*, University of Arkansas for Medical Sci, Little Rock, AR
PO-GePV-T-409Single-Isocenter Multi-Target SRS VMAT Treatment Planning Strategy: When Targets Compete for Limited MLC Beam Apertures
J Duan*, G Cui, N Walls, I Wang, F Yin, Duke University Medical Center, Durham, NC
PO-GePV-T-411A Comparative Dosimetric Study of Spine SABR Using Two MLC Delivery Systems with Pencil Beam and Monte Carlo Algorithms
J Rahimian1, J Zhang2*, J Vinci3, (1)Kaiser Permanente, Los Angeles, CA, (2) Kaiser Permanente Anaheim Medical Center, CA,(3) Kaiser Permanente, Los Angeles, CA
PO-GePV-T-413Calculated Target Dose Differences for Brain Stereotactic Radiosurgery (SRS) Between Two Advanced Dose Algorithms
D Zheng*, H Jung, M Milano, K Usuki, S Hardy, S Tanny, J Yoon, University of Rochester, Rochester, NY
PO-GePV-T-416Validation and Implementation of a Dedicated Spine Stereotactic Radiosurgery Treatment Planning System
C Knill*, R Sandhu, B Loughery, L Lin, Z Seymour, P Chinnaiyan, T Quinn, M Almahariq, R Deraniyagala, Beaumont Health, Royal Oak, MI
PO-GePV-T-418Evaluation of Two Treatment Planning Systems for Single Isocenter Multiple Metastases Stereotactic Radiosurgery Treatment Planning and Delivery
W Johansson, D Opp, C Tichacek, B Libby*, G Zhang, G Redler, L Nardella, S Wasserman, D Oliver, T Robinson, H-H Yu, J Graham, H Lee Moffitt Cancer Center & Research Institute, Tampa, FL
PO-GePV-T-423Dosimetric Comparison Between Brainlab Elements Planning system 1.5 and 3.0 with Jaw Tracking and Collimator Optimization for Intracranial SRS Treatments
N Shrestha1, G Narayanasamy2, M Bimali3, P Sabouri4, F Kalantari5, Z Su6, R Panthi7*, (1) Univeristy of Arkansas for Medical Sciences, Little Rock, AR, (2) University of Arkansas for Medical Sciences, Little Rock, AA, (3) UAMS, Little Rock, AR, (4) University of Arkansas for Medical Sciences, Little Rock, Ar, AR, (5) University of Arkansas for Medical Sci, Little Rock, AR, (6) University of Arkansas for Medical Sciences, Little Rock, Arkansas, (7) Rush University Medical Center, Chicago, IL
PO-GePV-T-425Development of An Elekta VersaHD MLC-Based Trigeminal Neuralgia Program
N Miksys*, C Curley, R Tokarz, Ackerman Cancer Center, Jacksonville, Florida
PO-GePV-T-427Institutional Review On Evaluating 6-Degree of Freedom Treatment Couches for Disease-Specific SBRT
K Lyons, D Spratt, V Colussi, R Kashani*, C Langmack, Seidman Cancer Center /UH Cleveland & CWRU, OH, Cleveland, OH
PO-GePV-T-429Volume Staging for Arteriovenous Malformation SRS Treatment Using Volumetric Modulated Arc Therapy
C Mendez*, E Gete, BC Cancer-Vancouver, Vancouver, BCCA, CA
PO-GePV-T-430Dosimetric Accuracy of 6DoF Robotics for SRS Motion Management
D Holloman, A Sakaamini*, X Liu, S Yoon, T Li, R Wiersma, University of Pennsylvania, Philadelphia, PA
SU-E-BRB-7Pilot Implementation of AI GTVs for SRS to Brain Metastases
D Hsu*, M Aristophanous, L Cervino, Y Hu, A Apte, A Iyer, K Beal, B Imber, A Ballangrud, Memorial Sloan Kettering Cancer Center, New York, NY
SU-H400-IePD-F8-4On-Line Adaptive and Real-Time Intrafraction Motion Management of Spine-SBRT On An MR-Linac
J Cunningham*, K Snyder, J Kim, S Siddiqui, P Parikh, I Chetty, J Dolan, Henry Ford Cancer Institute, Detroit, MI
SU-H430-IePD-F7-6Investigating the Ability of Patient-Specific QA Devices to Detect Changes in Dose Distribution Due to MLC Positioning Errors in Stereotactic Radiotherapy Plans
S James1,2, E Elder2-3, C Huh1, A Al-Basheer1*, J Barrett1, F Mostafaei1, (1) Augusta University, (2) Georgia Institute of Technology, (3) Emory University
TU-B-202-2Frameless HyperArc VMAT for Hippocampal Sparing WBRT with SIB Dose to Multiple Brain Metastases
C Boyle*, W St Clair, D Pokhrel, University of Kentucky, Lexington, KY
TU-B-202-3Multi-Institutional Study to Demonstrate An Increase in Variability of Delivered Dose to Patients for SRS Treatments as a Result of Dosimetric Leaf Gap Parameter Tuning
A Santoso1, O Blasi2, R Popple3, S Holmes4, K Woods2, Y Vinogradskiy5, A Qureshi6, C Antonakakis7, J Jones6, D Thomas1, L Olsen7*, (1) University of Colorado Anschutz Medical Campus, Aurora, CO, (2) Colorado Associates in Medical Physics, Colorado Springs, CO, (3) University of Alabama Birmingham, Birmingham, AL, (4) Standard Imaging, Inc., Middleton, WI, (5) Thomas Jefferson University, Philadelphia, PA, (6) Poudre Valley Hospital - UCHealth, Fort Collins, CO, (7) Memorial Hospital - UCHealth, Colorado Springs, CO
TU-B-202-4Off-Axis Dosimetric Leaf Gap Measurement and Optimization for Single Isocenter Multi Target Stereotactic Radiosurgery
I Rusu1,2*, A Podgorsak1,2, J Roeske1,2, H Kang1,2, A Sethi1,2, (1) Department of Radiation Oncology, Stritch School of Medicine, Cardinal Bernadin Cancer Center, Loyola University Chicago, 2160 S. 1st Ave, Maywood, IL, (2) Loyola University Medical Center, 2160 S. 1st Ave, Maywood, IL
TU-D1000-IePD-F2-2Introducing An Isotoxic Paradigm for Delivery of Ultra-High Doses to Oligometastatic Disease Using Ethos Online Adaptive Radiotherapy
G Redler1*, H Musunuru2, R Katipally3, C Lynch3, N Nasser1,4, A Olson2, G Gan5, J Luke2, S Chmura3, (1) H. Lee Moffitt Cancer Center, (2) University of Pittsburgh Medical Center, (3) University Of Chicago Medical Center, (4) University of South Florida, (5) University Of Kansas Cancer Center
TU-D1000-IePD-F3-2Long-Term SRS Isocenter Coincidence Stability Assessed with a Hidden Target Phantom and a Custom Winston-Lutz Analysis Software
B Winey*, M Bussiere, Massachusetts General Hospital and Harvard Medical School, Boston, MA
TU-D1000-IePD-F3-5Dosimetric Comparison of Linac-Based SRS and Gamma Knife Plans for Arteriovenous Malformations
B Garcia1*, E Calugaru2, B Chitti2, B Delacruz1, A Goenka2, J Chang2, (1) Hofstra University, Hempstead, NY, (2) Northwell Health, Lake Success, NY
TU-D1000-IePD-F4-5Automated Treatment Planning Framework for Single-Isocenter Multi-Target (SIMT) Cranial SRS Treatments
J Teruel1, J Xue1, N Bice1, P Galavis1*, M Malin1, A Rea1, A Mccarthy1, T Daniels1, D Barbee1, (1) NYU Langone Health, New York, NY
TU-D1000-IePD-F7-5Salvage Spine Stereotactic Re-Irradiation Treatment Planning and Daily Plan Adaptation Using MR-Linac
E Han*, D Yeboa, T Briere, J Yang, P Castillo, M Pham, H Wang, MD Anderson Cancer Center, Houston, TX
TU-D1030-IePD-F1-5A Simplified and Accurate Off-Axis Winston-Lutz Method for Single-Isocenter Multiple-Target Stereotactic Radiosurgery
A Eagle1*, M Tallhamer2, J Keener3, S Geneser4, (1) Centura Health, Longmont, CO, (2) Centura Health, Parker, CO, (3) Centura Health, Littleton, CO, (4) University of Washington, Seattle, WA
TU-D1030-IePD-F5-4An AI-Based Stereotactic Radiosurgery Management Web Platform for Brain Metastases
Z Yang1*, M Chen1, H Jiang2, Z Wardak1, S Stojadinovic1, R Timmerman1, T Dan1, W Lu1, X Gu1,3, (1) UT Southwestern Medical Center, Dallas, TX, (2) NeuralRad LLC., Madison, WI, (3) Stanford University, Palo Alto, CA
TU-F115-IePD-F6-4Dosimetric Evaluation of Stereotactic Prostate Reirradiation Using Cyberknife as An Alternative to HDR Brachytherapy for Locally Recurrent Prostate Cancer
X Zhang, S Jang*, S Lee, S Keohan, AE Hirsch, Boston Medical Center, Boston, MA
TU-GH-BRB-10Intelligent Automatic Treatment Planning for Prostate Cancer Stereotactic Body Radiation Therapy
Y Gao*, C Shen, Y Gonzalez, X Jia, Y Park, University of Texas Southwestern Medical Center, Dallas, TX
TU-GH-BRC-0Brain Mets Management: Registries and Automation for Longitudinal Assessment
K Bernstein1*, W Shi2*, D Schlesinger3*, H Lin4*, X Gu5*, T Li6*, (1) NYU Langone Medical Center, New York, NY, (2) Thomas Jefferson University, Philadelphia, PA, (3) University of Virginia Health Systems, Charlottesville, VA, (4) University of California San Francisco, San Francisco, CA, (5) Stanford University, Dallas, TX, (6) University of Pennsylvania, Philadelphia, PA
TU-I345-IePD-F4-4Commissioning and Validation of a Monte Carlo Algorithm for Spine Stereotactic Radiosurgery
C Knill*, R Sandhu, B Loughery, L Lin, R Halford, D Drake, M Snyder, Beaumont Health, Royal Oak, MI
WE-C1000-IePD-F4-3A Dosimetric Study of the Use of Hydrogel SpaceOAR™ in the Reduction of Rectal Doses for Patients Undergoing Prostate Stereotactic Body Radiotherapy
N Gross1*, R Teboh Forbang1,2, H Kadji1, G Gejerman2, B Lewis1,2, (1) Hackensack Meridian Health At Mountainside Medical Center,(2) Hackensack University Medical Center, Hackensack, NJ
WE-C1000-IePD-F5-4Development of An Extension Device for Cranial Localization On Patients with Broad Torsos for Stereotactic Radiosurgery Treatments
E Morris1*, C Miller1, K Woods2, M Cao1, (1) Department of Radiation Oncology, UCLA Health, Los Angeles, CA, (2) Department of Radiation Oncology, University of Southern California, Los Angeles, CA
WE-C1030-IePD-F3-1The Spatial Accuracy of Ring-Mounted Halcyon Versus TrueBeam Linac for Single-Isocenter/Multi-Target SBRT Treatment
R Mallory*, D Pokhrel, University of Kentucky, Lexington, KY
WE-C1030-IePD-F3-2A New Independent Outcome Predictor for Lung Stereotactic Body Radiation Therapy Patients, Plan Averaged Beam Modulation
H Liu*, C Li, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing, CN
WE-C1030-IePD-F3-4Development of Automated Sphere Placement Script for Lattice SBRT Using the Eclipse Scripting Application Programming Interface (ESAPI)
W Tucker*, M Schmidt, T Mazur, J Hilliard, M Spraker, J Kavanaugh, Washington University School of Medicine in St. Louis, St. Louis, MO
WE-C1030-IePD-F3-5Comparing the Analytic Anisotropic Algorithm Vs. Acuros XB for Dose Calculation in the Setting of Radioablation of Ventricular Tachycardia
M Prusator1*, W Tucker2, T Mazur3, G Hugo4, C Robinson5, P Cuculich6, N Knutson7, (1) ,St. Louis, MO, (2) Washington University School of Medicine, Chesterfield, MO, (3) ,St. Louis, MO, (4) Washington University School of Medicine, St. Louis, MO, (5) ,Saint Louis, MO, (6) Washington University in St Louis, Saint Louis, MO, (7) Washington University School of Medicine, St. Louis, MO
WE-C930-IePD-F4-5Secondary Monte Carlo Dose Calculation for Single Isocenter Multitarget SRS QA
B Erickson1*, Y Cui2, C Wang2, W Giles2, M Alber6, J Adamson2, (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) ScientificRT, Munich, Germany
WE-E-BRA-6The Stereotactic Map and Compass: How to Use AFI Strategy Optimization and R50%Analytic to Find Your Way to An Excellent SRS/SRT Plan
I Cordrey1*, D Desai2, (1) Cumberland Medical Center, Crossville, TN, (2) Memorial Hospital, Chattanooga, TN