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Keywords: Radiosurgery
MO-C930-GePD-F7-1A Comprehensive Evaluation of the Performance of the CyberKnife M6: A One-Year Study of Daily QA
J Gersh1,2 , R Fulkerson3*, (1) Gibbs Cancer Center & Research Institute - Pelham, Greer , SC, (2) Spectrum Medical Physics, LLC, Greenville , SC,(3) RKF Consultants, Dundee, NY
MO-E115-GePD-F4-2Feasibility of Online SRS with MRIdian: Dosimetric Comparison of MRIdian to TrueBeam with HDMLC
M Malin*, E Lobb , M Stevens , G Redler , K Yenice , B Aydogan , The University of Chicago Medical Center, Chicago, IL
MO-E115-GePD-F4-5Multi-Criteria-Optimized Treatment Planning for Volumetric Modulated Arc Therapy (VMAT) Using High-Level Composite Optimization Parameters and Trilinear Dose-Interpolation
C Harrer1,2*, S Schell2 , J Wilkens1,3 , (1) Physics Department, Technical University of Munich, Garching, Bavaria, (2) Brainlab AG, Munich, Bavaria, (3) Klinikum rechts der Isar, Technical University of Munich, Munich, Bavaria
MO-E115-GePD-F4-6Development of a Fine to Coarse MLC Conversion Tool: Dosimetric Impact of Transferring SRS Patients Mid-Treatment
A Hudson*, N Ploquin , K Thind , G Pierce , University of Calgary, Calgary, AB, Tom Baker Cancer Centre, Calgary, AB
MO-I345-GePD-F3-4Measurement of Output and Percent Depth Dose (PDD) for Small Stereotactic Radiosurgery (SRS) Cones Using Semiconductor and Microdiamond Detectors
E Lief1*, G Dawson2 , J Restrepo3 , G Beyer4 , P Jeffe5 , A Cheuk6 , (1) VA Medical Center, Pelham, NY, (2) J.J. Peters Bronx VA Medical Center, Bronx, NY, (3) J.J. Peters Bronx VA Medical Center, Bronx, NY, (4) Medical Physics Services, LLC, Miami, FL, (5) J.J. Peters Bronx VA Medical Center, Bronx, NY, (6) J.J. Peters Bronx VA Medical Center, Bronx, NY
MO-I345-GePD-F6-6Accuracy of 3D/3D and 3D/2D Registration in Intracranial Radiosurgery Using 6DOF Robotic Couch
H Kuo1*, S Berry2 , A Ballangrud3 , P S Atwal4 , C Della Biancia5 , P Pathare6 , D Shasha7 , D Lovelock8 , M Hunt9 , (1) Memorial Sloan Kettering Cancer Center, Norwalk, CT, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Memorial Sloan-Kettering Cancer Center, New York, NY, (4)BC Cancer - Abbotsford, BC, CAN, (5) Memorial Sloan-Kettering Cancer Center, New York, NY, (6) Norwalk Hospital, Norwalk Hospial, CT, (7) Memorial Sloan Kettering Cancer Center, Nwe York, NY, (8) Mem Sloan-Kettering Cancer Ctr, New York, NY, (9) Memorial Sloan Kettering Cancer Center, New York, NY
SU-E-209-6HyperArc Stereotactic Radiosurgery (SRS) Planning for Challenging Multiple Brain Metastases Reduces Dose to Brain and Brainstem
Z Shen*, P Kosterin, R Lalonde, D Heron, M Huq, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
SU-E-209-7Investigation of Knowledge-Based Planning for Single Isocenter Multiple Targets Radiosurgery
Y Yang*, J Duan , Q Wu , D Yoo , J Kirkpatrick , F Yin , Duke University Medical Center, Durham, NC
SU-E-DBRA-2Dosimetric Evaluation of the Treatment of Multiple Brain Metastases: Multiple Target with Single Isocenter Versus Single Target Per Isocenters
A Qureshi*, D Pearson , D Elliottt , University of Toledo, Toledo, OH
SU-E-KDBRC-5An Investigation of Machine Learning Methods for Delta-Radiomic Feature Analysis
Y Chang1*, F Yin2 , (1) Duke Kunshan University, Kunshan, ,(2) Duke University Medical Center, Durham, NC; Duke Kunshan University, Kunshan
SU-F-202-5Intracranial Tissue Visualization and Alignment Prior to Stereotactic Radiosurgery
Z Labby*, P Hill , D Jacqmin , B Barraclough , A Besemer , D Dunkerley , University of Wisconsin, Madison, WI
SU-F-209-3Predicting Motion Compensation Errors for CyberKnife SBRT Liver Patients Using a Machine Learning Algorithm
M Liu1*, D Granville2 , J E Cygler1,2, E Vandervoort1,2 (1) Carleton University, Ottawa, ON (2) The Ottawa Hospital Cancer Centre, Ottawa, ON
SU-H330-GePD-F4-2Dosimetric Results of the First GammaPod Clinical Trial, GCC 1202: A 8 Gy Boost to the Lumpectomy Cavity
S Becker1*, Y Mutaf2 , Y Poirier1 , Y Niu3 , C Yu1,3 , B Yi1 , S Feigenberg4 , E Nichols1 , (1) university of Maryland School Of Medicine, Baltimore, MD, (2) Boston University Medical Center, Boston, MA, (3) Xcision Medical Systems, Columbia, MD, (4) University of Pennsylvania, Philadelphia, Pennsylvania
SU-H400-GePD-F4-1Commissioning and Validation of Brainlab Elements Multiple Metastases with An Elekta Versa HD and ExacTrac
B Ruiz*, J Hill , L Boles , Johnson City Medical Center, Johnson City, TN
SU-H400-GePD-F4-5E2E Test of Automatic Plan Optimization Using RayStation Scripting for Hypo-Fractionated Multi-Metastatic Brain SRT
E Han1*, G Kim2 , X Wang3 , D Yeboa4 , H Lee5 , S Svensson6 , T Briere7 , (1) UT MD Anderson Cancer Center, Houston, TX, (2) University of California, San Diego, La Jolla, CA, (3) UT MD Anderson Cancer Center, Houston, TX, (4) University of Texas MD Anderson Cancer Center, Houston, Texas, (5) UT MD Anderson Cancer Center, Houston, TX, (6) RaySearch Laboratories, Stockholm, Sweden, (7) MD Anderson Cancer Ctr., Houston, TX
SU-H400-GePD-F5-1Inter-Observer Variation in Intra-Fraction Motion Assessment During Intracranial Stereotactic Radiosurgery Using MV Images
R Sullivan*, X Wu , E Covington , R Popple , The University of Alabama at Birmingham, Birmingham, AL
SU-H400-GePD-F5-2MV Portal Imaging Versus Optical Surface Imaging for Intra-Fraction Motion Detection in Intracranial Stereotactic Radiosurgery
R Sullivan*, E Covington , R Popple , The University of Alabama at Birmingham, Birmingham, AL
SU-H430-GePD-F7-6Variation in Normal Brain Sparing in Stereotactic Radiosurgery Plans Treating Multiple Targets Using Single-Isocenter Volumetric Modulated Arc Therapy
Y Cui*, H Gao , J Kirkpatrick , F Yin , Duke University Medical Center, Durham, NC
SU-I-GPD-J-20Comparing the Accuracy of AlignRT and ExacTrac at Intrafractional Time Points During Cranial Stereotactic Radiosurgery and Stereotactic Radiotherapy Treatments
T Wolken*, S Junell , Oregon Health & Science Univ, Portland, OR
SU-I-GPD-J-56A Radiomic Assessment of the Progression of Acoustic Neuroma After Gamma Knife Stereotactic Radiosurgery
G Narayanasamy1*, G Zhang2 , E Siegel3 , G Campbell 4 , E Moros2 , E Galhardo1 , X Zhang1 , S Morrill1 , J Penagaricano1 , (1) Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, (2) H. Lee Moffitt Cancer Center, Tampa, FL, (3) Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, (4) College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
SU-I-GPD-J-60Submillimeter Monitoring of Intrafraction Patient Movement with Optical Surface Imaging
E Covington*, X Wu , I Brezovich , S Shen , R Cardan , R Popple , university Alabama Birmingham, Birmingham, AL
SU-I-GPD-P-29CyberKnife Experience: A Dose Gradient Index for Stereotactic Radiosurgery/Radiotherapy
T Reynolds1*, M Ozer1 , A Jensen1 , E Bellairs1 , L Nussbaum2 , (1) Minnesota Oncology, St Paul, MN, (2) Nasseff CyberKnife Center, United Hospital, St Paul, MN
SU-I-GPD-P-56Gradient Index as Quality Measure of Multi Lesion SRS VMAT Plans
L Kuo*, A Ballangrud , Memorial Sloan Kettering Cancer Center, New York, NY
SU-I-GPD-T-73Tumor Size-Adjusted Biophysical Modeling: Predicting Local Control Rates of Acuros-Based Lung SBRT Patients Treated with Variable Fractionation Schemes
D Pokhrel*, R McGarry , J Molloy , University of Kentucky, Lexington, KY
SU-I-GPD-T-84Using Machine Learning to Predict GI Toxicity in Unresectable Pancreatic Cancer Patients Treated with Stereotactic Body Radiation Therapy
T Wu*, S Liauw , University of Chicago Hospitals, Chicago, IL
SU-I-GPD-T-114Quality Management for Proton Stereotactic Radiosurgery Based On TG 100
N Wang*, A Ghebremedhin , A Wroe , B Patyal , J Slater , Loma Linda university Medical Center, Loma Linda, CA
SU-I-GPD-T-181Clinical Comparison of Gafchromic EBT-XD Film to Gafchromic EBT3 Film When Utilized as An Absolute Dose Verification Method in Stereotactic Radiotherapy
R Goodman MS*, T Murphy , D Siergiej PhD , T Schroeder MD, University of New Mexico, Albuquerque, NM
SU-I-GPD-T-193Current Limitations and Emerging Solutions for Quality Assurance (QA) of Single-Isocenter VMAT Treatment of Multiple Brain Metastases (MBM)
P Zygmanski1*, M Wagar1 , M Maryanski2 , F Hacker1 , (1) Brigham & Women's Hospital, Boston, MA,(2) MGS Research, Madison, CT
SU-I-GPD-T-251Gradient Index in IMRT and SBRT: Implication in Organ Sparing
A Andersen1*, H Wang2 , P Schiff3 , K Hu4 , I Das5 , (1) Renown Health, Reno, NV, (2-5) NYU Langone Health, New York, NY
SU-I-GPD-T-260Treatment Planning Comparison of CyberKnife and Linac-Based SBRT
J Yoon*, M Schwer , S Sharma , A Ju , East Carolina University, Greenville, NC
SU-I-GPD-T-273Use Eclipse Treatment Planning System as Quality Assurance Tool to Verify Multiple-Metastases-Elements Treatment Plan
J Li*, Y Yu , H Liu , Thomas Jefferson University, Philadelphia, PA
SU-I-GPD-T-361Commissioning of Brainlab IPlan- and Elements-Based Stereotactic Radiosurgery Utilizing Both MLC and Aktina Cone Solutions On An Elekta Agility Platform
N Marsh*, M Maynard , J Dugas , G Schimke , H Wu , Willis-Knighton Medical Center, Shreveport, LA
SU-I-GPD-T-365Phantom and Patient Based Estimation of the Targeting Accuracy of a Robotic Radiosurgery System
E Pantelis1, 2*, A Moutsatsos1 , C Antypas1 , E Zoros2 , P Pantelakos1 , L Lekas1 , P Romanelli3 , K Zourari4 , C J Hourdakis4 , (1) Iatropolis Clinic, Athens, Attica, (2) National and Kapodistrian University of Athens, Athens, Attica, (3) CDI, Milano, Lombardy, (4) Greek Atomic Energy Commission (EEAE), Athens, Attica,
SU-I-GPD-T-373Experimental Validation of SRS VMAT in Small Volumes. Tolerance Criteria for Plan-Specific QA Verification
M Adria-Mora1*, N Carrasco Vela1 , J Bonaque Alandi1 , F Ballester2,3 , J Gimeno Olmos1,3 , V Carmona Meseguer1,3 , F Lliso Valverde1,3 , J Perez-Calatayud1,3 , (1) Hospital Universitari i Politecnic La Fe, Valencia, Spain (2) University of Valencia, Burjassot, Spain (3) Grupo de Investigacion en Fisica Medica IRIMED, UV - Hospital La Fe, Valencia, Spain
SU-I-GPD-T-374End-To-End Testing of Linac-Based SRS Using Radiochromic Film & CIRS STEEV Phantom
R Ambrose*, J Presser , South Nassau Communities Hospital, Oceanside, NY
SU-I-GPD-T-375Quality Assurance Study of Stereotactic Radiosurgery of Multiple Brain Lesions with a Single Isocenter
J Zhang*, J Rahimian , S Lee , W Lien , J Han , D Kim , K Goldman , S Lu , G Hong , Y Qian , Southern California Permanente Medical Group, Los Angeles, California
SU-I-GPD-T-377Development of the 4D Phantom Using the 3D Gel Dosimetry for Liver SBRT: A Preliminary Study
S Noh1*, M Lee2 , K Yoon3 , J Kwak4 , B Cho5 , S Kim6 , H Kim7 , C Jeong8 , (1) ,,,(2) Asan Medical Center, Seoul, SEOUL, (3) Asan Medical Center, Seoul, SEOUL, (4) Asan Medical Center, Seoul, ,(5) Asan Medical Center, Seoul, ,(6) Asan Medical Center, Seoul, SEOUL, (7) Asan Medical Center, Seoul, Seoul, (8) Asan Medical Center, Seoul, Seoul
SU-I-GPD-T-382A Dosimetric Comparison of ICVI Varian Cones and BrainLab Cones
R George*, D Saenz , N Kirby , K Rasmussen , S Stathakis , N Papanikolaou , Ut Health San Antonio, San Antonio, TX
SU-I-GPD-T-389Optimized Dose Delivery for a New Generation Rotating Gamma System
J Xu*, A Eldib , L Jin , C Ma , Fox Chase Cancer Center, Philadelphia, Pennsylvania
SU-I-GPD-T-391Dosimetric Assessment of Spine SRS with the Brainlab Elements Treatment Planning System
D Saenz*, P Papanikolaou , N Kirby , S Stathakis , K Rasmussen , R Crownover , J Floyd , Ut Health San Antonio, San Antonio, TX
SU-I-GPD-T-398Results of Beta Testing the New VMAT Module in Elements Cranial SRS Software for Radiosurgery Planning
A Bertinetti*, G Luo , G Ding , Vanderbilt University, Nashville, TN
SU-I-GPD-T-402Normal Brain Dose Sparing with Gamma Knife and Linac-Based Stereotactic Radiotherapy for Multiple Brain Metastases
J Carter*, I Vergalasova , X Wang , K Grantham , M Reviello , Y Zhang , J Weiner , N Yue , K Nie , Rutgers University, New Brunswick, NJ
SU-I-GPD-T-404Is Monte Carlo Necessary for IntraCranial Stereotactic Radiosurgery?
J Rembish1*, D Saenz1 , P Mavroidis2 , R Crownover1 , P Myers3 , N Papanikolaou1 , S Stathakis1 , (1) Ut Health San Antonio, San Antonio, Texas,(2) university North Carolina, Chapel Hill, NC, (3) Baylor College of Medicine, Houston, TX
SU-I-GPD-T-406Dosimetric Impact of BodyFix Immobilization System for Stereotactic Body Radiation Therapy
S Srivastava1,2*, S Jani1,2 , D Pinnaduwage1,2 , X Yan1,2 , P Metuge1,2 , D Castaneda2 , S Patel2 , N Thawani2 , S Mutyala2 , I Das3 , S Sorensen1,2 , (1) Barrow Neurological Institute, Phoenix, AZ, (2) University of Arizona Cancer Center \ Dignity Health, St. Joseph's Hospital, Phoenix, AZ, (3) NYU Langone Medical Center, New York, NY,
SU-I-GPD-T-408Comparison of Lung SBRT Planning and Delivery Methods in the Presence of Significant Respiratory Motion
B Rasmussen*, X Du , UP Health System Marquette General Hospital, Marquette, MI
SU-I-GPD-T-409Optimize the Selection of the Cone Size and the Prescription Isodose Line (IDL) in Linear Accelerator Based Stereotactic Radiosurgery (SRS) Planning
J Zhu*, Presence St. Joseph Medical Ctr., Joliet, IL
SU-I-GPD-T-413Validation of Single Isocenter Multi-Target SRS Planning Calculations and Early Clinical Experience
C Geraghty*, B Hasson , T Li , Anne Arundel Medical Center, Annapolis, MD
SU-I-GPD-T-41610 MV FFF Or 6 MV FFF for Lung SBRT Planning
S Balik*, P Qi , A Magnelli , G Videtic , K Stephans , T Zhuang , Cleveland Clinic, Cleveland, OH
SU-I-GPD-T-419On Possible Application of a Novel Bioabsorbable Implant for Accelerated Partial Breast Irradiation with CyberKnife
P Kosterin1*, C Ozhasoglu2 , S Jang3 , S Nagda4 , M Huq5 , (1) UPMC university of Pitsburgh Medical Center, Philadelphia, PA, (2) Shadyside Hospital, Pittsburgh, PA, (3) UPMC university of Pitsburgh Medical Center, Pittsburgh, PA, (4) Penn Radiation Oncology Pennsylvania Hospital, Philadelphia, Pennsylvania, (5) University of Pittsburgh Cancer Institute, Pittsburgh, PA
SU-I-GPD-T-428Comparison of the Traditional Indicator Box Markers and New CBCT Localization for the Frame Treatments On the Gamma Knife Icon
G Neyman1*, (1) The Cleveland Clinic Foundation, Beachwood, OH
SU-I-GPD-T-432Simultaneously Boosting the Dose to the MpMRI and PSMA-PET Defined Intra-Prostatic Lesion Using Precision CyberKnife: A Feasibility Study
P Mavroidis1*, E Schreiber2 , B Thomann3 , C Zamboglou4 , I Sachpazidis5 , R Chen6 , A Grosu7 , S Das8 , D Baltas9 , (1) university North Carolina, Chapel Hill, NC, (2) university North Carolina, Chapel Hill, NC, (3) University of Freiburg, Freiburg, Breisgau, (4) University of Freiburg, Freiburg, Breisgau, (5) University of Freiburg, Freiburg, Breisgau, (6) UNC Health Care, Chapel Hill, NC, (7) University of Freiburg, Freiburg, Breisgau, (8) University of North Carolina, Chapel Hill, NC, (9) university Freiburg, Freiburg,
SU-I-GPD-T-435Dosimetric Feasibility of Delivering Grid Therapy for Breast Cancer Using GammaPod
B Kopchick1*, H Xu2 , Y Niu3 , X Qiu1 , C Yu3,4 , (1) The George Washington University, Washington, DC, (2) university of Maryland School of Medicine, Columbia, MD, (3) Xcision Medical Systems, Columbia, MD, (4) university Maryland School of Medicine, Baltimore, MD
SU-I-GPD-T-436Dosimetric Verification for Ultra-Small Intracranial Target Radiation Treatment Using Linac-Based Dynamic Conformal Arc Therapy
Y Zheng*, Z Xu , D Mansur , M Machtay , G Pereira , University Hospitals Cleveland Medical Center, Cleveland, OH
SU-I-GPD-T-438Feasibility of SRS Delivery for Single Mets Using the VersaHD Linac
A Licon*, J Rembish , R Crownover , D Saenz , N Kirby , K Rasmussen , N Papanikolaou , S Stathakis , Ut Health San Antonio, San Antonio, TX
SU-K-KDBRA1-5Proof of Principle for End-To-End SRS QA Using a NIPAM 3D Dosimeter
J Adamson1*, J Carroll1 , M Trager1 , S Yoon1 , J Kodra1 , E Maynard2 , M Hilts3 , M Oldham1 , A Jirasek4 , (1) Duke University, Durham, NC, (2) University of Victoria, Victoria, British Columbia, (3) BC Cancer Agency, Kelowna, BC, (4) university British Columbia, Vancouver, BC
SU-L-209-6VMAT Plans Are Superior to Step-And-Shoot IMRT for Single Fraction Spine SBRT Based On Dosimetric and Quality Assurance Comparison
Z Ouyang*, D LaHurd, E Balagamwala, S Chao, P Xia, Department of Radiation Oncology, Cleveland Clinic, Cleveland, OH
SU-L-DBRA-1Can Single Isocenter, Linac-Based Stereotactic Radiosurgery Rival Gamma Knife Plan Quality for Complex, Multiple-Target Cases?
J Burmeister1,2*, G Baran2 , J Rakowski1,2 , A Nalichowski1,2 , M Dominello1,2 , (1) Wayne State University School of Medicine, Detroit, MI, (2) Karmanos Cancer Institute, Detroit, MI
SU-L-DBRA-4Evaluation of Hyperarc SRS Planning for Linacs with Standard- and Micro-MLC: Comparison with Gamma Knife
E Bossart*, M Monterroso , N Elsayyad , E Mellon , N Dogan , University of Miami Miller School of Medicine, Department of Radiation Oncology, Miami, FL
SU-L-DBRA-6Linac/MLC-Based SRS for Trigeminal Neuralgia: Risk of Isocenter Positioning Uncertainties
J Molloy , M Sanders , D Pokhrel*, University of Kentucky, Lexington, KY
SU-L-DBRA-7Managing the Rotation Uncertainty in Single-Isocenter Multiple Target (SIMT) Linac SRS Treatment
Q Chen*, L Sanford, D Pokhrel, University of Kentucky, Lexington, KY
SU-L-KDBRC-6Apparent Diffusion Coefficient (ADC) Measured by Diffusion Weighted MRI Was Highly Correlated with Tumor Cell Survival in Non-Small Cell Lung Cancer (NSCLC) Cell Lines Under Stereotactic Body Radiotherapy (SBRT) Regimens
Y Wang1*, K Qing2 , (1) Chinese Academy of Medical Science and Shenzhen Cancer Center, Shenzhen, China (2) University of Virginia, Charlottesville, VA
TH-AB-DBRA-1A Beam-Level Delivery Accuracy Study of the Robotic Image Guided Radiosurgery System Using a Scintillator/CCD Phantom
L Wang1*, B Nelson2 , (1) Stanford University Cancer Center, Stanford, CA, (2) Logos Systems International, Scotts Valley, CA
TH-AB-KDBRA1-3A Novel Device to Retract Rectum During Radiotherapy Applications of Pelvic Tumors
P Bayati Malayeri , A Jahadakbar , D Elliottt , M Elahinia , E Parsai*, University of Toledo MIME Department and University of Toledo Health Sciences Campus, Toledo, OH
TH-AB-KDBRA1-5A Practical Device and Procedure for Measuring Vertical and Horizontal Treatment Couch Walkout Under Rotation
I Brezovich*, E Covington , X Wu , R Popple , S Shen , R Cardan , B Guthrie , J Fiveash , M Bredel , university Alabama Birmingham, Birmingham, AL
TU-C1000-GePD-F7-6Feasibility of Pencil Beam Scanning Proton Therapy SBRT for Locally Advanced Lung Tumors
L Lin*, B Burgdorf , H Zhai , B Hartl , S Huang , A Berman , S Feigenberg , University of Pennsylvania, Philadelphia, PA
TU-C1030-GePD-F7-1Characterization of RTOG Dose Spillage Constraints in VMAT Lung SBRT
D Desai*, S Srinivasan , H ElAsmar , Memorial Health Care System, Chattanooga, TN
TU-C1030-GePD-F7-3Dosimetric Differences in Non-Coplanar Vs Coplanar Treatment of SBRT of Lung Lesion with VMAT Do Not Yield Differences in Clinically Observable Outcomes
L Sanford*, J Molloy , R McGarry , M Randall , D Pokhrel , University of Kentucky, Lexington, KY
TU-C1030-GePD-F7-4Evaluation of a Commercial Independent Second Check System for Quality Assurance of VMAT SRS
R Popple*, R Cardan , X Wu , E Covington , I Brezovich , S Shen , The University of Alabama at Birmingham, Birmingham, AL
TU-C930-GePD-F8-3Diffusion Tensor Imaging Based Fiber Tracking for Prediction of the Position Accuracy of the Trigeminal Neuralgia for Radiosurgery
R Juh1*, T Suh2 , J Han1 , C Kim1 , C Oh1 , (1) Seoul National University Hospital, Seongnam Si, Gyeonggido,(2) Catholic university Medical College, Seoul
TU-C930-GePD-F9-4Real- Time Liver Tumour Tracking in a General Purpose Accelerator Using An In-House Developed Position Monitoring System
S Arumugam1,2*, A Xing1,2 , L Holloway1,2,3,4 , (1) Liverpool and Macarthur cancer therapy centres and ingham Institute, Liverpool, NSW, (2) University of New South Wales, Sydney, New South Wales, Australia, (3) Centre for Medical Radiation Physics, University of Wollongong, Wollongong, New South Wales, Australia.,(4)Institute of Medical Physics, School of Physics, University of Sydney, Sydney, New South Wales, Australia.
TU-D-KDBRA1-2Fitting NTCP Models to SBRT Dose and Carotid Blowout Syndrome Data
P Mavroidis1*, J Grimm2 , M Cengiz3 , S Das4 , G Yazici5 , G Ozyigit6 , (1) university North Carolina, Chapel Hill, NC, (2) Johns Hopkins University, Baltimore, MD, (3) Hacettepe University, Faculty of Medicine, Ankara, Ankara, (4) University of North Carolina, Chapel Hill, NC, (5) Hacettepe University, Faculty of Medicine, Ankara, Ankara, (6) Hacettepe University, Faculty of Medicine, Ankara, Ankara
TU-D-KDBRA1-4Investigation of Off-Isocenter Field Misalignment in Single-Isocenter Multiple-Target VMAT SRS and Its Implication On CTV Margin
Y Song1*, C Velton2 , X Tang3 , Z Saleh4 , M Zhang5 , B Mueller6 , B Mychalczak7 , (1) Memorial Sloan Kettering Cancer Center, Montvale, New Jersey, (2) Columbia University, New York, NY, (3) Memorial Sloan Kettering Cancer Center, West Harrison, NY, (4) Memorial Sloan Kettering West Harrison, West Harrison, NY, (5) Memorial Sloan Kettering Cancer Center, New York, NY, (6) Memorial Sloan Kettering Cancer Center, Montvale, NJ, (7) Memorial Sloan Kettering Cancer Center, West Harrison, NY
TU-D-KDBRA1-5Performance of a Dual-Layer Staggered MLC System in Stereotactic Treatment for Multiple Brain Metastases with a Single Isocenter: A Dosimetric Comparison Across Three Delivery Techniques
T Li1*, H Liu2 , W Shi2 , J Zou1 , B Teo1 , L Dong1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Thomas Jefferson University, Philadelphia, PA
TU-D-KDBRA1-7SRS Plan Evaluation and Optimization Metrics, Is It Time to Move Past CI and GI?
G Baran1*, M Dominello2 , J Burmeister1,2 , (1) Karmanos Cancer Institute, Detroit, MI, (2) Wayne State University School of Medicine, Detroit, MI
TU-E115-GePD-F3-4The Effect of MLC Leaf Width in Single Isocenter Multi-Target Radiosurgery with VMAT
Z Abisheva*, J Adamson , S Floyd , J Salama , F Yin , W Giles , Duke University Medical Center, Durham, NC
TU-E115-GePD-F4-6Trajectory-Based Dynamic Couch Motion Optimization Technique for Intracranial Stereotactic Radiosurgery: A Single π-Based Geometry Approach for Brain SRS Treatment Planning
G Gill*, R Jakubovic , J Chang , Long Island Jewish Medical Center, Northwell Health, NY
TU-E115-GePD-F5-5Evaluation of Uncertainties in Lung SBRT Treatment Planning Using 4D Dose Calculation and DIR
J Azcona1*, M Moreno-Jimenez2 , C Huesa3 , B Barbes4 , J Aristu5 , J Burguete6 , (1) ,,,(2) Clinica Universidad de Navarra, Pamplona, Navarra, (3) Clinica Universidad de Navarra, Pamplona, Navarra, (4) Clinica Universidad de Navarra, Pamplona, Navarra, (5) Clinica Universidad de Navarra, Pamplona, Navarra, (6) Universidad de Navarra, Pamplona, Navarra
TU-E115-GePD-F9-1A Study of Tumor Dose Coverage for ITV-Based Lung SBRT
L Huang*, V Sarkar , A Paxton , H Zhao , Y Huang , M Szegedi , P Rassiah-Szegedi , F Su , G Nelson , B Salter , University Utah, Salt Lake City, UT
TU-E115-GePD-F9-4Evaluating the Plan Quality and Treatment Efficiency for Single-Isocenter/Two-Lesion Lung SBRT
L Sanford*, J Molloy , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY
TU-E115-GePD-F9-6Which One to Pick? Dm Or Dw for Stereotactic, Single Dose Irradiation of Spine Metastases?
S Lachowicz*, D Pokhrel , University of Kentucky, Lexington, KY
TU-I345-GePD-F3-4Shortcomings of Common Conformity and Gradient Indices for Multi-Target SRS Plans
G Baran1*, M Dominello2 , J Burmeister1,2 , (1) Karmanos Cancer Institute, Detroit, MI, (2) Wayne State University School of Medicine, Detroit, MI
TU-I345-GePD-F3-5Quantitative Evaluation of a Fully Automated, Patient-Specific Spine Stereotactic Body Radiotherapy Planning Routine
B Ziemer*, O Morin , University of California San Francisco, San Francisco, CA
TU-I345-GePD-F5-6Development of a Patient Specific Collision Detection Algorithm for Non-Coplanar Cone Beam CT in Stereotactic Radiosurgery Using Eclipse Scripting
T Mann1,2*, N Ploquin1,2, T Novak2, K Thind1,2, (1) University of Calgary, Calgary, AB, (2) Tom Baker Cancer Center, Calgary, AB
TU-I345-GePD-F6-1A Direct Comparison of Commercial Surface Imaging and Radiographic Imaging for SRS Alignment in Phantom
D Wiant*, H Liu , Q Shang , T Hayes , J Maurer , B Sintay , Cone Health Cancer Center, Greensboro, NC
TU-I345-GePD-F7-2Feasibility of Spine SBRT Planning Using the ViewRay MR-Linac Treatment Planning System
M Stevens*, M Malin , G Redler , B Aydogan , University of Chicago Medical Center, Chicago, IL
TU-I345-GePD-F9-6Deep Neural Network-Based Modeling of Radiation Pneumonitis Following Lung Stereotactic Body Radiotherapy
S Wang*, A Smith , J Ryckman , M Baine , D Zheng , Y Lei , C Zhang , N Bennion , Q Fan , C Lin , C Enke , S Zhou , University of Nebraska Medical Center, Omaha, NE
TU-K-DBRA-5Energy Modulated Radiation Therapy (EMRT), a New Paradigm in Radiotherapy
R Shaw*, S Luan , Department of Computer Science, University of New Mexico, Albuquerque, NM
WE-AB-KDBRC-3Investigation of Dose-Correlated MR Biomarker Changes in Brain Metastases Post-SRS
J Winter1*, F Moraes1 , C Chung2 , C Coolens1 , (1) Princess Margaret Cancer Center, Toronto, Ontario, (2) The University of Texas MD Anderson Cancer Center, Houston, Texas
WE-C1000-GePD-F6-4Evaluation of C-RAD Catalyst HD for SRS
S Kamath*, Z Chen , Yale New Haven Hospital, New Haven, CT
WE-C1000-GePD-F7-3Quality Assurance for Multi-Focal Single Isocenter Stereotactic Radiosurgery Through 3D Gel Dosimetry
D Saenz1*, K Papanikolaou1, K Rasmussen1 , N Kirby1 , S Stathakis1 , E Pappas2 , Y Li1 , (1) Ut Health San Antonio, San Antonio, Texas, (2) RTsafe P.C., Athens, Greece
WE-C1000-GePD-F9-6Streamlined End-To-End Protocols for Standardized SBRT Plans
R Culcasi1*, G Baran2 , M Snyder1,3 , (1) Wayne State University School of Medicine, Detroit, MI, (2) Karmanos Cancer Institute, Detroit, MI, (3) Beaumont Health System, Royal Oak, MI
WE-C1030-GePD-F2-1A Phantom Study to Determine the Dosimetric Effects of the Primary Image Choice Used for SBRT Radiotherapy Planning Following 4DCT Simulation
R Teboh Forbang*, B Lewis , A Ndlovu , Hackensack university Medical Center, Hackensack, NJ
WE-C1030-GePD-F3-5Dosimetric Impact of Rotational Setup Errors On Multiple Brain Targets Treated with Single Isocenter Volumetric Modulated Arc Therapy
J Xue*, D No , J Zhang , H Wang , D Barbee , S Lymberis , J Silverman , I Das , NYU Langone Medical Center, New York, NY
WE-C930-GePD-F3-1Comparison Between TrueBeam Millennium And High Definition MLC With Halcyon Dual-Layer MLC: Impact of Collimator Leaf Width On Plan Quality for Stereotactic Body Radiotherapy for Spine Tumors
H Petroccia*, L Dong , I Malajovich , B Teo , T Li , University of Pennsylvania, Philadelphia, PA
WE-C930-GePD-F3-2Dosimetric Evaluation of Three Stereotactic Radiosurgery Treatment (SRS) Options for Multiple Brain Metastases
I Vergalasova1*, H Liu2 , W Shi2 , K Nie1 , N Yue1 , T Li3 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) Thomas Jefferson University, Philadelphia, PA, (3) University of Pennsylvania, Philadelphia, PA
WE-C930-GePD-F4-6Patient Specific Quality Assurance for GammaPod: A Novel Dedicated Breast Stereotactic Radiosurgery Device
S Becker1*, Y Niu2 , Y Mutaf3 , C Yu1,2 , Y Poirier1 , S Feigenberg4 , E Nichols1 , B Yi1 , (1) university of Maryland School Of Medicine, Baltimore, MD, (2) Xcision Medical Systems, Columbia, MD, (3) Boston University Medical Center, Boston, MA, (4) University of Pennsylvania, Philadelphia, Pennsylvania
WE-C930-GePD-F9-4The Effect of Setup Uncertainty On Optimal Prescription Percentage Isodose Surface (%IDS) in Stereotactic Radiosurgery
X Duan*, W Giles , F Yin , Duke University Medical Center, Durham, NC
WE-C930-GePD-F9-5Characterizing Isocenter Reproducibility for Linac-Based Stereotactic Treatment Accuracy
D Pinkham1*, S Hancock2 , (1) Yale New Haven Hospital, New Haven, CT, (2) Southeast Missouri Hospital, Cape Girardeau, MO
WE-HI-KDBRB1-1A General Patient Motion Compensation in Robotic Systems Using Optimization Based 6DoF Trajectory Planning
X Liu*, R Wiersma , The University of Chicago, Chicago, IL
WE-J-207-4Combined Optimization of Dynamic Axes (CODA) for Stereotactic Radiosurgery
L MacDonald1*, A Syme2 , L Ward3 , B Little4 , C Thomas5 , (1) ,,,(2) Dalhousie University, Halifax, Nova Scotia, (3) Nova Scotia Health Authority, Halifax, Nova Scotia, (4) Nova Scotia Health Authority, Halifax, Nova Scotia, (5) Nova Scotia Cancer Centre, Halifax, NS