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| MO-AB-SAN1-9 | Large Improvements in Plan Quality with a New Commercial Treatment Planning System for a Robotic Treatment Unit M Gizynska1*, L Rossi1 , W den Toom1 , M Milder1 , K de Vries1 , B Heijmen1 , (1) Erasmus MC, University Medical Center Rotterdam, Department of Radiation Oncology |
| MO-AB-SAN1-10 | Small Field Dosimetry: Detector Dependency On Output Factor and Off-Axis-Ratio Measurements for a Novel Radiosurgery System D Pinnaduwage1*, S Srivastava1 , X Yan1 , S Jani1 , C Jenkins2 , G Weidlich2 , M Bodduluri2 , S Sorensen1 , (1) Barrow Neurological Institute (BNI) St. Joseph's Hospital & Medical Center, Phoenix, AZ, (2) Zap Surgical Systems, Inc., San Carlos, CA |
| MO-AB-SAN1-11 | Treatment Planning System and Beam Data Validation for a Novel Self-Shielded Stereotactic Radiosurgery System (SRS) S Srivastava1*, S Jani1 , D Pinnaduwage1 , X Yan1 , M Bodduluri2 , S Sorensen1 , (1) Barrow Neurological Institute (BNI) St. Joseph's Hospital & Medical Center, Phoenix, AZ, (2) Zap Surgical Systems, Inc., San Carlos, CA |
| MO-AB-SAN1-12 | Assessing the Mechanical and Dosimetric Stability of a Novel Self-Shielded Stereotactic Radiosurgery (SRS) Delivery System S Srivastava1*, D Pinnaduwage1 , S Jani1 , X Yan1 , M Bodduluri2 , S Sorensen1 (1)Barrow Neurological Institute (BNI) St. Joseph's Hospital & Medical Center, Phoenix, AZ,(2) Zap Surgical Systems, Inc., San Carlos, CA |
| MO-C930-GePD-F4-6 | Feasibility Study of Focal Salvage High Dose Rate (HDR) Brachytherapy After Neurovascular-Sparing Prostate Stereotactic Ablative Radiation Therapy (SAbR) N Hassan Rezaeian*, B Gannavarapu , R Hannan , M Folkert , A Garant , R Timmerman , B Hrycushko , N Desai , The University of Texas Southwestern Medical Ctr, Indianapolis, IN |
| MO-I345-GePD-F4-1 | Improving Treatment Efficiency Using Photon Optimizer MLC Algorithm for Single-Isocenter/Multiple-Lesions VMAT Lung SBRT L Sanford*, J Molloy , M Bernard , M Randall , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY |
| MO-I345-GePD-F4-2 | Development and Implementation of a Mechanical and Radiation Tests for a Novel Stereotactic Radiosurgery Device Utilizing a 2D Detector Array, to Replace the Film-Based QA S Becker*, P Sabouri , E Nichols , B Yi , Univ. of Maryland School Of Medicine, Baltimore, MD |
| MO-I345-GePD-F4-3 | Noninvasive Cardiac Ablation to Treat Ventricular Tachycardia - Optimized Volumetric Modulated Arc Therapy Technique for Varian Edg and Halcyon Delivery Systems S Goddu1*, (1) Washington University, St. Louis, MO |
| MO-I345-GePD-F4-6 | Determining Institutional Plan Quality Metrics for Intracranial Stereotactic Radiosurgery (SRS) for Single-Isocenter Multi-Target (SIMT) Treatments W Taylor1*, W Zoller2 , M Addington3 , J Palmer4 , R Raval5 , N Sebastian6 , D DiCostanzo7 , (1) ,Ohio State University, Columbus, (2) Ohio State University, Columbus, ,(3) Ohio State University, Columbus, ,(4) Ohio State University, Columbus, ,(5) Ohio State University, Columbus, ,(6) Ohio State University, Columbus, ,(7) Ohio State University Medical Center, Columbus, OH |
| MO-I345-GePD-F7-6 | Improving Pancreas SBRT Treatment Planning with PlanIQ G Kuzmin1*, M Abazeed1 , M Kolar1 , A Magnelli1 , P Xia1 , S Balik1 , (1) Cleveland Clinic, Cleveland, OH |
| MO-K-304-0 | Clinical Application of Frameless Stereotactic Radiosurgery (SRS) M Podgorsak1*, R Popple2*, K Sixel3*, J Yang4*, M Podgorsak5*, (1) Roswell Park Cancer Institute, Buffalo, NY, (2) University Alabama Birmingham, Birmingham, AL, (3) R.S. McLaughlin Durham Reg Cancer Ctr, Oshawa, ON, (4) Alliance Imaging/Alliance Oncology, Havertown, PA, (5) Roswell Park Cancer Institute, Buffalo, NY |
| PO-GePV-M-6 | Comparing the Accuracy of Surface Guided Imaging to Orthogonal X-Rays for Stereotactic Radiosurgery V Bry*, J McCulloch , J Rembish , N Papanikolaou , R Crownover , N Kirby , D Saenz , P Myers , S Stathakis , K Rasmussen , University of Texas HSC SA, San Antonio, TX |
| PO-GePV-P-15 | Part 37 Regulations for Gamma Knife: Factors to Consider with Implementation J Brindle1*, M Rivard2 , E Klein3 , (1) Rhode Island Hospital / Warren Alpert Medical School, Providence, Rhode Island, (2) Rhode Island Hospital / Brown University, Providence, RI, (3) Rhode Island Hospital / Warren Alpert Medical School, Providence, RI |
| PO-GePV-P-38 | A Winston-Lutz Test Based High Resolution Quality Assurance Protocol for Auto-Driving Couch System for Stereotactic Radiosurgery K Li1*, (1)John R Marsh Cancer Center, (2) Associates In Medical Physics, Hagerstown, MD |
| PO-GePV-P-52 | Dosimetric Effects of Embolic Agent Artifacts in Arteriovenous Malformations Stereotactic Radiosurgery Treatment Planning Calculation M Alshanqity*, A Elawadi , A alamro , Y Bayoumi , H Alhussain , Y Orz , S Alqahtani , S Melheim , |
| PO-GePV-P-76 | Evaluation of Multileaf Collimator Width and Beam Quality Effect On Single-Isocenter Multitarget Radiosurgery Using Volumetric-Modulated Arc Therapy S Laoui*, D Roa , J Kuo , M Baldytchev , J Gonzales , S Dietrich , N Ramsinghani , P Daroui , H Farol , University of California, Irvine, Orange, CA |
| PO-GePV-P-77 | Quality Assurance Analysis of Elements Multiple Brain Metastases Treatment Technique X Liu*, J Vinci , R Boone,J Rahimian,Y.Qian Kaiser Permanente, Los Angeles Medical Center, CA |
| PO-GePV-P-88 | An Evaluation of the Effectiveness of Surgical Clips for Fiducial Tracking with the CyberKnife in Partial Breast Cancer Surgery S AHN*, J Kim , S Lee , J Cho , Y Kim , Yonsei Cancer CenterSeoul |
| PO-GePV-P-102 | Automated Winston-Lutz Test Using XML Script and Developer Mode in TrueBeam STx A Alarcon*, C Venencia , Instituto Zunino, Cordoba - ARGENTINA |
| PO-GePV-T-50 | Intra-Target Dose Surrogates and Treatment Histories as Local Control Predictors for Gamma Knife Stereotactic Radiosurgery of Large Meningioma Y Natsuaki*, BP Ziemer , M Susko , PK Sneed , SE Braunstein , DR Raleigh , L Ma. Dept. of Radiation Oncology, University of California at San Francisco, San Francisco, CA |
| PO-GePV-T-140 | Can An EPID Be Commissioned for Multi-Met SRS Pre-Treatment VMAT QA? D Raxter1*, D Litzenberg2 , J Moran3 , (1) University of Toledo, Toledo, OH, (2) Univ Michigan, Ann Arbor, MI, (3) Univ Michigan Medical Center, Ann Arbor, MI |
| PO-GePV-T-156 | Analysisof Dosimetric Verification Results of Stereotactic Body Radiotherapy X Zhang*, R Yang , J Li , J Li , J Wang , Peking University Third HospitalBeijing |
| PO-GePV-T-167 | Commissioning of Mobius3D for Linac-Based SRS and Determination of the Dosimetric-Leaf-Gap R McCarroll*, P Sabouri , N Lamichhane , Y Poirier , B Yi , S Chen , M Guerrero , University of Maryland School of Medicine, Baltimore, MD |
| PO-GePV-T-226 | Assessment of Dosimetric Perturbation Due to Patient Movement During Lung SBRT Using Flattening-Filter Free Beams (FFFB) Or Flattened Beams (FB) K Xu*, T Biswas , Y Zhang , Y Zheng , T Baig , M Machtay , T Podder , University Hospitals Seidman Cancer Center, Cleveland, OH |
| PO-GePV-T-231 | Evaluation of HyperArc Stereotactic Radiosurgery Planning for Base of Skull Lesions K Snyder*, Y Huang , B Zhao , I Chetty , N Wen , S Siddiqui , Henry Ford Health System, Detroit, MI |
| PO-GePV-T-309 | The Efficacy of a Non-Metallic Target for An End-To-End Winston-Lutz Phantom for Use with C-Arm Linear Accelerator Treatment Devices P Mone*, D Workie , Sinai Hospital of Baltimore, Baltimore, MD |
| PO-GePV-T-311 | Gafchromic EBT-XD Film for Dose Profile Evaluation and Absolute Dose Measurement in High Dose Stereotactic Treatments R Joseph , G Hatzinikolaou , S Kriminski*, Vassar Brothers Medical Center, Poughkeepsie, NY |
| PO-GePV-T-313 | Reproducible Beam-Position Hysteresis Observed with Direction of Linac Gantry Rotation D Pinkham1*, S Kamath1 , S Hancock3 , (1) Yale School of Medicine, New Haven, CT, (2) Southeast Missouri Hospital, Cape Girardeau, MO |
| PO-GePV-T-319 | Evaluation of the SRS MapCHECK for CyberKnife Patient-Specific QA S D Davis1*, A Acha2 , S George3 , W Romaguera4 , L Tirpak5 , V Mishra6 , A Gutierrez7 , (1) Miami Cancer Institute, Miami, FL, (2) Miami Cancer Institute, Miami, FL, (3) Miami Cancer Institute, Miami, FL, (4) Miami Cancer Institute, Miami, FL,(5) Sun Nuclear Corporation, Melbourne, FL, (6) Miami Cancer Institute, Miami, FL, (7) Miami Cancer Institute, Miami, FL |
| PO-GePV-T-321 | Evaluation of a New Plastic Scintillation Detector for Stereotactic Radiosurgery Applications D Jacqmin*, J Miller , Z Labby , A Shepard , B Barraclough , University of Wisconsin, Madison, WI |
| PO-GePV-T-322 | Resolution and Accuracy of BB Detection in Commercial and In-House Winston-Lutz Analysis Algorithms M Malin1*, J Partouche2 , T Qu1 , (1) NYU Langone Medical Center, New York, NY, (2) University of Chicago, Chicago, IL |
| PO-GePV-T-323 | Applications of Deep Learning in Patient-Specific QA of MLC-Equipped Robotic SBRT and SRS B Han*, L Xing , L Wang , Stanford University School of Medicine, Stanford, CA |
| PO-GePV-T-325 | Quantitative Evaluation of the Positioning of the ExacTrac System as a Function of Treatment Table Angle for Stereotactic Radiosurgery J Lucido*, S McCauley Cutsinger , M Grams , Mayo Clinic, Rochester, MN |
| PO-GePV-T-328 | Dosimetric Evaluation of An SRS MapCHECK for SBRT QA F Mostafaei*, S Lin , J Salazar , A Webb , Y Lee , R Hamilton , Y Kim , Department of Radiation Oncology, University of Arizona, Tucson, AZ |
| PO-GePV-T-332 | The Clinical Impact of VOLO Optimization in CyberKnife Treatment Planning E Schueler*, A Lo , C Chuang , S Soltys , L Wang , Stanford University, Stanford, CA |
| PO-GePV-T-334 | Optimization of the Beam Scan Pattern for Rotating Gamma Ray Systems J Xu1*, C Ma2 , (1) Fox Chase Cancer Center, Philadelphia, PA, (2) Fox Chase Cancer Center, Philadelphia, PA |
| PO-GePV-T-335 | "Cleaning" the Dose Spill in Lung SBRT Plans G Narayanasamy1*, D Desai2 , M Bimali3 , E Galhardo1 , H ElAsmar 2 , J Penagaricano1 , S Maraboyina1 , L Peacock1 , T Kim1 ,F Xia1 ,E Johnson4 , S Morrill1 , (1) Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, (2) Memorial Hospital, Hixson, TN, (3) Department of BioStatistics, University of Arkansas for Medical Sciences, Little Rock, AR (4) University of Kentucky Medical Ctr, Lexington, KY |
| PO-GePV-T-339 | Accuracy of Isocenter Location and Rotation Axis: Possible Consequences for Stereotactic Irradiations and Measurements at Elekta Linacs L Wack*, O Sauer , University Hospital Wuerzburg, Wuerzburg, BY |
| PO-GePV-T-340 | Effect of the Rotational Error On the Dose Distribution with Single-Isocenter Technique of Stereotactic Radiotherapy for Multiple Brain Metastases H Nakano1*, S Tanabe1 , S Utsunomiya2 , T Takizawa3 , T Yamada1 , H Sakai1 , H Aoyama4 , (1) Niigata University Medical and Dental Hospital, Niigata, (2) Niigata University Graduate School of Health Sciences, Niigata, (3) Niigata Neurosurgical Hospital, Niigata, (4) Niigata University Graduate School of Medical and Dental Sciences, Niigata |
| PO-GePV-T-341 | Plan Quality Comparison of Gamma Knife and Linac-Based Stereotactic Radiosurgery in the Treatment of Multiple Brain Metastases J Carter1*, Y Ding2 , I Vergalasova1 , X Wang1 , Y Zhang1 , J Weiner1 , N Yue1 , K Nie1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) Hubei Cancer Hospital, Wuhan, China |
| PO-GePV-T-345 | Comparison of Brain Dose Sparing and Tumor Dose Conformity From Different Photon Energies and MLC Sizes of Stereotactic Radiosurgery Treatment Strategies for Multiple Brain Tumors J Zhang1,2,4*, Z Fan3,5, S Lee2,5, W Lien1, (1) Southern California Permanente Medical Group, Los Angeles, CA, (2) VA Long Beach Healthcare System, Long Beach, CA, (3) Cedars-Sinai Medical Center, Los Angeles, CA, (4) University of California, Irvine, Orange, CA, (5) University of California, Los Angeles, Los Angeles, CA |
| PO-GePV-T-357 | Early Clinical Experience with Halcyon Version 2 for SBRT Lung Treatments Z Shen1*, P Ramesh1 , F Li1 , R Lalonde1 , D Heron1 , M Huq1 , (1) UPMC Hillman Cancer Center and University of Pittsburgh School of Medicine, Pittsburgh, PA |
| PO-GePV-T-358 | An Auto-Modified PTV Method to Improve Conformity for Single Isocenter Multiple Lesions SRS Conformal Dynamic Arc Plans L Fu*, H Liu , Y Yu , Thomas Jefferson University, Philadelphia, PA |
| PO-GePV-T-359 | Comparison of Planning Techniques for Single-Isocenter Multiple-Target Stereotactic Radiosurgery A Ballesio*, Z Wang , Duke University Medical Center, Durham, NC |
| PO-GePV-T-363 | Plan Optimization to Reduce Dose-Bridges in HyperARC Radiosurgery for Multiple Metastases and Dose Evaluation with EBT3 Film H Park1*, J Park2 , J Lee3 , J Kim1 , M Kim1 , T Suh4 , Y Oh1 , M Chun1 , O Noh1 , (1) Department of Radiation Oncology, Ajou University School of Medicine, Suwon, South Korea (2) Department of Radiation Oncology, University of Florida, Gainesville, FL (3) Department of Radiation Oncology, Konkuk University Medical Center, Seoul, South Korea (4) Department of Biomedicine & Health Sciences, Research Institute of Biomedical Engineering, The Catholic Univerisy of Korea, College of Medicine, Seoul, South Korea |
| PO-GePV-T-364 | Optimizing Isocenter Calibrations for Non-Coplanar Treatments Using Surface-Guided Radiation Therapy D Pinkham1*, S Kamath1 , S Hancock3 , (1) Yale School of Medicine, New Haven, CT, (2) Southeast Missouri Hospital, Cape Girardeau, MO |
| PO-GePV-T-367 | Stereotactic Cone-Beam CT Guided Radiosurgery of Trigeminal Neuralgia B Ziemer , Y Natsuaki , A Perez-Andujar , O Morin , B Weethee , L Ma*, UCSF School of Medicine, San Francisco, CA 94143 |
| PO-GePV-T-368 | Validating the Brainlab Cranial SRS Element for the Versa HD C Knill*, R Sandhu , R Halford , Z Seymour , Beaumont Hospital, Dearborn, MI |
| PO-GePV-T-372 | A Large Scale Clinical Evaluation of the Effectiveness of Calibration to Reduce Couch-Angle Dependency for Frameless Stereotactic Radiosurgery L Zhang1*, S Vijayan2 , Y Song3 , E Hipp4 , H Kuo5 , M Chan6 , M Hunt7 , X Tang8 , G Li9 , (1) Memorial Sloan Kettering Cancer Center, New York, NY, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Memorial Sloan-Kettering Cancer Center, Parsippany, NJ, (4) Memorial Sloan Kettering Cancer Center, Middletown, NJ, (5) Memorial Sloan-Kettering Cancer Center, Norwalk, CT, (6) Memorial Sloan Kettering Cancer Center, Basking Ridge, NJ, (7) Mem Sloan-Kettering Cancer Ctr, New York, NY, (8) Memorial Sloan Kettering Cancer Center, West Harrison, NY, (9) Memorial Sloan Kettering Cancer Center, New York, NY |
| PO-GePV-T-373 | Ablative Heterogeneous Dosing Scheme for Locally Advanced Pancreatic Cancer (LAPC) Via Daily CBCT-Guided DIBH D Pokhrel*, L Sanford , J Molloy , M Bernard , University of Kentucky, Lexington, KY |
| PO-GePV-T-377 | Stereotactic Radiotherapy of Meningiomas and Tumor Beds with Gamma Knife Icon Versus Volumetric Modulated Arc Therapy J Buatti*, J Buatti , S Yaddanapudi , E Pennington , D Wang , B Gross , J St-Aubin , D Hyer , R Flynn , University of Iowa Hospitals and Clinics, Iowa City, IA |
| PO-GePV-T-402 | Cascade BED: A Supra-Heterogeneous Dose Distribution for Lung SBRT D Pokhrel*, L Sanford , University of Kentucky, Lexington, KY |
| PO-GePV-T-404 | Maximizing the Biological Effect Via Minimizing Radiation Protraction with Flattening Filter Free (FFF) Beams for Single-Isocenter/Multi-Lesions Lung SBRT D Pokhrel1 , L Sanford2 , M Bernard3*, R McGarry4 , M Randall5 , J Molloy6 , (1) University of Kentucky, Lexington, KY, (2) University of Kentucky, Lexington, KY, (3) University of Kentucky, Lexington, KY, (4) ,Lexington, KY, (5) ,Lexington, KY, (6) Univ Kentucky, Lexington, KY |
| SU-E-SAN1-4 | Feasibility and Uncertainty Analysis for Using Halcyon for Stereotactic Radiotherapy J Chapman*, B Cai , S Mutic , N Knutson , Washington University School of Medicine, St. Louis, MO |
| SU-E-SAN1-6 | Implementation and Validation of An In-House Geometry Optimization Software for SRS VMAT Planning of Multiple Cranial Metastases L Kuo*, P Zhang , H Pham , A Ballangrud , Memorial Sloan Kettering Cancer Center, New York, NY |
| SU-E-SAN4-2 | Dosimetry of Single Vs Multi-Course Gamma Knife Stereotactic Radiosurgery for Ten Or More Brain Metastases C Stambaugh1*, E Kim2 , C Melhus1 , J Mignano1 , K Huber1 , J Wu1 , (1) Tufts Medical Center, Boston, MA, (2) Cornell University, Ithaca, NY |
| SU-E-SAN4-4 | Prediction of the Cone Collision in Brainlab Stereotactic Radiosurgery J Park1*, R McDermott2 , S Kim3 , M Huq1 , (1) UPMC Hillman Cancer Center and University of Pittsburgh School of Medicine, Pittsburgh, PA (2) Baylor Scott and White Memorial Hospital, Temple, TX, (3) Virginia Mason Medical Center, Seattle, WA |
| SU-E-SAN4-5 | Radiation Survey Results and Workload Recommendations for a New Self-Shielded Stereotactic Radiosurgery (SRS) System S Sorensen1*, S Srivastava1 , D Pinnaduwage1 , S Jani1 , X Yan1 , J Velez1, G Weidlich2 , M Bodduluri2 (1) Barrow Neurological Institute (BNI), St. Joseph's Hospital and Medical Center, Phoenix, AZ (2) Zap Surgical Systems, Inc, San Carlos, CA |
| SU-E-SAN4-6 | Total System Uncertainty of Frameless Gamma Knife Icon Treatment: Still Sub Millimeter? W Duggar*, R He , B Morris , A Fatemi , C Yang , Department of Radiation Oncology, University of Mississippi Med. Center, Jackson, MS |
| SU-F-225BCD-4 | Should We Account for Optic Nerve Motion Resulting From Eye Movement During the Radiation Treatment Planning Process? K Qing1,2*, B Liu1 , X Feng2 , Y Zhang1 , Q Chen3 , N Yue1 , X Wang1 , I Vergalasova1 ,C Sun2 , J Mugler, III2 , K Nie1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) University of Virginia, Charlottesville, VA, (3) University of Kentucky, Lexington, KY |
| SU-F-SAN4-2 | An In-House Developed Second Dose Calculation System for Leksell Gamma Knife Perfexion and Icon Z Tian*, X Yang, D M Giles, T Wang, E Butker, S Kahn, T Liu, Emory Univ, Atlanta, GA |
| SU-F-SAN4-4 | Exploration of Setup Margin in Frameless Gamma Knife Radiosurgery with the Icon W Duggar*, R He , B Morris , C Yang , Department of Radiation Oncology, University of Mississippi Med. Center, Jackson, MS |
| SU-F-SAN4-6 | Single-Isocenter VMAT-Based Stereotactic Radiosurgery (SRS) for Multiple Brain Metastases: Potential Loss of Target Coverage Due to Isocenter Misalignment A Palmiero1*, J Molloy2 , M Sanders3 , M Randall4 , D Pokhrel5 , (1) University of Kentucky, Lexington, KY, (2) Univ Kentucky, Lexington, KY, (3) Univ Kentucky, Lexington, KY, (4) ,Lexington, KY, (5) University of Kentucky, Lexington, KY |
| SU-F-SAN4-7 | Development of a Hierarchical Clustering Algorithm to Aid in Automated Planning of Multiple Metastases Intracranial Stereotactic Radiosurgery Treatments C Yeboah1*, M Ruschin1 , B Chugh1 , A Sarfehnia1 , A Sahgal1 , Y Lee1 , (1) Sunnybrook Health Sciences Centre and University of Toronto, Toronto,ON |
| SU-F-SAN4-8 | Clinical Evaluation of Lung SBRT for the Halcyon Platform and Dosimetric Comparison with the Truebeam STx and Millennium MLC Systems C Kennedy*, R Scheuermann , D Mihailidis , University of Pennsylvania, Philadelphia, PA |
| SU-I300-GePD-F9-6 | Optimal CBCT Parameters for SRS Image Guidance E Sudentas*, N Kalach , Mount Sinai West, New York, NY |
| SU-I330-GePD-F4-1 | Characterization and Validation of SRS MapCheck for Patient Specific QA On CyberKnife M6 D Parsons1*, C Ding1 , B Zhao1 , T Chiu1 , L Tirpak2 , R Reynolds1 , Y Park1 , Y Yan1 , S Jiang1 , X Gu1 , (1) UT Southwestern Medical Center, Dallas, TX, (2) Sun Nuclear Corporation, Melbourne, FL |
| SU-I330-GePD-F4-3 | On the Spatial Accuracy of Single Isocenter Multiple Brain Metastases SRS with BrainLab Elements D Saenz*, J McCulloch , K Rasmussen , N Kirby , P Myers , S Stathakis , N Papanikolaou , University of Texas HSC SA, San Antonio, TX |
| SU-I330-GePD-F4-5 | Investigation of the Plan Quality for HyperArc Cranial Radiosurgery Using the Millennium MLC E Flores-Martinez1*, G Kim2 , (1) Moores Cancer Ctr, Univ. of California, San Diego, La Jolla, CA, (2) University of California, San Diego, La Jolla, CA |
| SU-I330-GePD-F4-6 | Spatial-Temporal Distributed Radiosurgery for GammaKnife Treatment of Multiple Brain Metastases M Chen*, Z Wardak, X Gu, R Timmerman, L Nedzi, T Dan, S Stojadinovic, S Jiang, W Lu, UT Southwestern Medical Center, Dallas, TX |
| SU-I330-GePD-F7-2 | Anatomically Informed Template Trajectories for Stereotactic Radiotherapy and Radiosurgery J D Lincoln1*, R L MacDonald2 , B Little3 , A Syme1,3 , C G Thomas1,3 , (1) Dalhousie University, Halifax, NS, (2) Odette Cancer Centre, Toronto, ON, (3) Nova Scotia Cancer Centre, Halifax, NS |
| SU-I330-GePD-F7-6 | SBRT Optimization Using NTCP Objectives Regarding Carotid Blowout Syndrome Z Karakas1*, E Schreiber2 , J Grimm3 , M Cengiz4 , G Yazici5 , G Ozyigit6 , S Stathakis7 , N Papanikolaou8 , S Das9 , P Mavroidis10 , (1) University of North Carolina, Chapel Hill, NC, (2) Univ North Carolina, Chapel Hill, NC, (3) Johns Hopkins University, Baltimore, MD, (4) ,Ankara, ,(5) ,Ankara, ,(6) ,Ankara, ,(7) University Of Texas Health, San Antonio, TX, (8) University of Texas HSC SA, San Antonio, TX, (9) Univ North Carolina, Chapel Hill, NC, (10) Univ North Carolina, Chapel Hill, NC |
| SU-I400-GePD-F6-3 | Evaluating the Need for CBCT Image Guidance for Brain SRS with ExacTrac R Martin*, T Briere , E Han , MD Anderson Cancer Ctr., Houston, TX |
| SU-I400-GePD-F6-4 | Image Registration Workflow for Frameless GammaKnife Icon Treatment KE Mooney*, E Hubley , M Schelin , Y Yu , W Shi , H Liu , Thomas Jefferson University, Philadelphia, PA |
| SU-I400-GePD-F6-5 | Inter-Fractional Rotational Repositioning Accuracy in Gamma Knife ICON Radiosurgery K Bernstein*, T Qu , D Kondziolka , J Silverman , New York Univ Medical Center, New York, NY |
| SU-I430-GePD-F5-6 | Tumor Tracking and Motion Modeling in SBRT of Abdominal Tumors with Implanted Fiducials Using Pre-Treatment CBCT Projections and Template Matching and Sequential Stereo Triangulation O Oderinde1*, H Mostafavi2 , D Simpson1 , J Murphy1 , L Cervino1 , (1) University of California San Diego, San Diego, CA, (2) ,Palo Alto, CA, |
| SU-I430-GePD-F6-4 | The Analysis of Positioning Accuracy for Frameless Noncoplanar Stereotactic Radiosurgery Treatment Using Optical Surface Monitoring System S Wang1*, X Qian2 , Y Ma3 , (1) Department of Radiation Oncology, Saint Alphonsus Cancer Care Center, Boise, ID, (2) Department of Radiation Oncology, Stony Brook University Hospital, Stony Brook, NY, (3) Department of Radiation Oncology and Oncology Area of the CHU de Quebec Research Center, Hotel-Dieu de Quebec, Quebec, Canada |
| SU-K-301-2 | Analysis of Gamma Sensitivity for Detecting Geometric Errors During Multi-Target SRS Pre-Treatment QA Using 2D Film and 3D Gel Dosimeters A Moncion1*, B Rosen2 , (1) Department of Radiation Oncology, Michigan Medicine, University of Michigan, Ann Arbor, MI, (2) Department of Radiation Oncology, Michigan Medicine, University of Michigan, Ann Arbor, MI |
| SU-K-SAN1-6 | Using Sun Nuclear SRS MapCHECK and StereoPHAN to Evaluate the Accuracy of SRS/SRT Deliveries On An Elekta Linac with ExacTrac Position Verification and Hexapod Position Correction Y Liang*, D Pavord , H Lee , M Chetvertkov , S Lee , S Oh , M Goss , R Wegner , S Karlovits , R Fuhrer , D Parda , J Sohn , Allegheny Health Network, Pittsburgh, PA |
| SU-L-225BCD-7 | Learning-Based Automatic Segmentation of Arteriovenous Malformations On Contrast CT Images in Brain Stereotactic Radiosurgery T Wang*, Y Lei , S Tian , X Dong , X Jiang , J Zhou , T Liu , S Dresser , W Curran , H Shu , X Yang , Emory Univ, Atlanta, GA |
| SU-L-302-1 | A Simple, Yet Novel Hybrid-Dynamic Conformal Arc (h-DAC) Therapy Planning Via FFF-Beam for Stereotactic Body Radiosurgery (SBRS) of Lung Lesion M Halfman*, L Sanford , J Molloy , D Pokhrel , University of Kentucky, Lexington, KY |
| SU-L-SAN4-2 | An Integrated Stereotactic Radiosurgery Quality Assurance Phantom for Dosimetry and Coincidence Verification of Multiple Positioning Systems L Skinner1*, P Dubrowski1 , D Capaldi1 , A Yu1, (1) Stanford University Cancer Center, Stanford, CA. |
| TH-A-SAN2-10 | Adaptive Margins with An Early Warning System for Motion-Tracking Errors in Liver SBRT M Liu1*, A Ross2 , J E Cygler1,3,4 , E Vandervoort1,3,4 (1) Department of Physics, Carleton University, Ottawa, ON, Canada (2) Department of Physics, McGill University, Montreal, QC, Canada (3) Department of Medical Physics, The Ottawa Hospital Cancer Centre, Ottawa, ON, Canada (4) Department of Radiology, University of Ottawa, Ottawa, ON, Canada |
| TH-B-SAN4-0 | Immunotherapy Killed the IGRT Star H Al-Hallaq*, S Chmura*, The University of Chicago, Chicago, IL |
| TH-BC-225BCD-6 | Focal Liver Reaction Threshold Dose in Liver Stereotactic Body Radiation Therapy (SBRT): Does Inter-Fractional Variability Matter? S Kuznetsova1*, P Grendarova2 , S Roy3 ,R Sinha2 , N Ploquin1,4 , K Thind1,4 , (1)Department of Physics and Astronomy, University of Calgary, Calgary, AB, Canada (2) Department of Oncology, Division of Radiation Oncology, Tom Baker Cancer Center, Calgary, AB, Canada (3) Department of Radiation Oncology, The Ottawa Hospital Cancer Program, University of Ottawa, Ottawa,Ontario, Canada (4) Department of Oncology, Division of Medical Physics, Tom Baker Cancer Centre, Calgary, AB, Canada |
| TH-BC-301-7 | Future High Precision Stereotactic Treatment Delivery: Is Penumbra a Concern? B Kopchick1*, H Xu2 , C Yu3 , (1) George Washington University, Washington, DC, (2) University of Maryland School of Medicine, Columbia, MD, (3) University of Maryland School of Medicine, Baltimore, MD |
| TH-BC-SAN1-0 | Rationale and Evidence for SBRT V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-1 | Introduction V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-2 | Radiation Therapy Dose Response Modeling and Optimization of Fractionation Schedules with Cancer Stem Cells V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-3 | Role of Vascular Damage and Tumor Microenvironment in the Response of Tumors to SBRT and SRS V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-4 | Biological Dose Escalation and Outcomes Modeling in the Era of Stereotactic Radiotherapy V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-5 | Immunomodulatory Effects of Stereotactic Body Radiation Therapy (SBRT): Preclinical Insights and Clinical Opportunities V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TH-BC-SAN1-6 | Q&A V Yu1*, C Song2*, D Carlson3*, A Marciscano4*, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of Minnesota Medical School, Minneapolis, MN, (3) University of Pennsylvania, Philadelphia, PA, (4) Memorial Sloan Kettering Cancer Center, New York, NY |
| TU-C-PinS-3 | Rotation Corrected Setup Margin Calculation for Stereotactic Body Radiation Therapy in Dual Imaging Environment B Sarkar1*,T Ganesh2 ,A Manikandan 3 ,S Krishnankutty4 , L Chitral5 , A Munshi6 , BK Mohanti7 , (1) AMRI Cancer Centre, Kolkata, ,(2)Apollo protan centre ,Chennai, ,(3) Manipal Hospitals, Gurugram, ,(4) Manipal Hospitals, New Delhi, ,(5) Manipal Hospitals Dwarka, New Delhi, DL, (6) Manipal Hospitals, New Delhi, ,(7) Manipal Hospitals, New Delhi, |
| TU-C1000-GePD-F4-4 | Characterization of a Two-Dimensional Diode Detector Array for Use in Patient Specific, Pre-Treatment QA of Stereotactic Plans D Wieczorek*, V Mishra , T Poozhikala , A Gutierrez , Miami Cancer Institute, Miami, FL |
| TU-C1030-GePD-F3-5 | Evaluation of Intrafraction Motion During Spine Stereotactic Body Radiotherapy Using Pre and Post Treatment Cone Beam Computed Tomography A Magnelli*, P Qi , S Balik , T Zhuang , S Chao , J Suh , P Xia , The Cleveland Clinic Foundation, Cleveland, OH |
| TU-C1030-GePD-F5-5 | Verification of Target Volume Margin of Visual-Guided Breath-Hold Method in Stereotactic Body Radiotherapy for Liver Cancer M Cho1,2*, H Kim1 , S Yoon 1, J Jung1 , S Lee1, J Kwak1 , K Yoon1 , C Jeong1 , M Park1 , H Kim1 , S KIM1 , B Cho1,2 ,(1) Department of Radiation Oncology, Asan Medical Center, Seoul, (2) University of Ulsan, College of Medicine |
| TU-C930-GePD-F7-5 | Incorporating Tumor Size-Adjusted BED Model Into Eclipse TPS: Prospectively Predicting Local Control Rates of Lung SBRT Patients Z Pearson*, E Johnson , J Molloy , R McGarry , M Randall , D Pokhrel , Univ Kentucky Medical Ctr, Lexington, KY |
| TU-F115-GePD-F7-6 | Knowledge-Based Prediction of Plan Quality Metrics in Intracranial Stereotactic Treatment Planning S Yu*, H Zhen , X Zhang , U Langner , M Dyer , M Truong , Boston University School of Medicine, Boston, MA |
| TU-HI-SAN1-10 | Real-Time Online Adaptive Fully Automated Radiation Treatment Re-Planning in Lung Cancer R A Cormack*, R H Mak , C V Guthier, Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA |
| TU-J345-GePD-F1-1 | Evaluation of the Dosimetric Benefit of Using Cyberknife for Stereotactic Radiotherapy (SBRT) of Prostate Treatment L Wang*, S Hayes , E Horwitz , L Jin , C Ma , Fox Chase Cancer Center, Philadelphia, PA |
| TU-J345-GePD-F7-6 | Inverse Planning for GammaKnife Treatment of Multiple Brain Metastases M Chen*, X Gu , Z Wardak , R Timmerman , L Nedzi , T Dan , S Stojadinovic , S Jiang , W Lu , UT Southwestern Medical Center, Dallas, TX |
| TU-K430-CAMPUS-F3-2 | Clinical Validation of Photon Optimizer (PO) Algorithm Against Progressive Resolution Optimizer (PRO) in the Treatment of Single-Dose Lung SBRT J Visak*, J Molloy , M Randall , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY |
| TU-K430-CAMPUS-F3-3 | Dose Sharpening Via Packing and Optimizing Hundreds of Isocenters for Intracranial Radiosurgery of Large Brain Lesions L Ma1*, J Chiu2 , S Luan3 , (1) UCSF School of Medicine, San Francisco, CA, (2) University of Arizona School of Medicine, Tucson, AZ, (3) University of New Mexico, Alburquerque, NM |
| TU-K430-CAMPUS-F3-5 | Selection of Single Isocenter for Multi-Target Brain Treatment to Minimize Total Margin JM Slagowski*, Z Wen , University of Texas MD Anderson Cancer Center, Houston, TX |
| WE-AB-303-7 | Evaluation of Off-Axis Spatial Accuracy Using An Integrated Quality Assurance Phantom for Frameless Single-Isocenter Multitarget Stereotactic Radiosurgery D Capaldi1*, L Skinner1 , P Dubrowski1 , A Yu1 , (1) Stanford University Cancer Center, Stanford, CA |
| WE-AB-303-12 | Three-Dimensional Winston-Lutz Test Using a Reusable Radiochromic Gel Dosimeter K Ono1*, K Fujino1 , K Kinoshita1 , S Hayashi2 , Y Akagi1 , Y Hirokawa1 , (1) Hiroshima Heiwa Clinic, Hiroshima, JP, (2) Hiroshima International University, Hiroshima, JP |
| WE-B-SAN2-6 | Commissioning of TLD Micro-Cubes for a Remote SRS Audit Program B Luckett*, P Alvarez , P Taylor , S Kry , C Peterson , D Luo , D Followill , UT MD Anderson Cancer Center, Houston, TX |
| WE-C1000-GePD-F7-3 | Investigating a Dynamic Dose Rate Approach for Rotating Gamma Ray Systems A Eldib1*, B Nguyen2 , J Li3 , G Mora4 , O Chibani1 , M Abdelgawad5 , L Chen1 , C Ma1 , (1) Fox Chase Cancer Center, Philadelphia, PA, USA (2) Prowess Inc., Concord, CA, USA (3)OUR United Corporation, Xian, China, (4) Universidade de Lisboa, Codex, Lisboa, Portugal, (5) Biophysics branch, Physics Department, faculty of science, Al-Azhar University, Cairo, Egypt |
| WE-C1000-GePD-F7-4 | Frame-Based Radiosurgery of Multiple Metastases Using Single-Isocenter Volumetric Modulated Arc Therapy (VMAT) Technique K Ahn1,2*, K Yenice1 , M Koshy1,2 , K Slavin2 , B Aydogan1 , (1) University of Chicago, Chicago, IL, (2) University of Illinois at Chicago, Chicago, IL |
| WE-C930-GePD-F1-2 | Effect of Leaf Size and Off-Axis Delivery On Plan Quality for Single Isocenter Multi-Lesion Plans in RayStation G Cardarelli1*, Z Saleh2 , M Schwer3 , D Cutright4 , J Kelley5 , J Brindle6 , M Rivard7 , T Roth8 , J Hepel9 , C Liu10 , E Klein11 , (1) Rhode Island Hospital / Warren Alpert Medical, Providence, RI, (2) Rhode Island Hospital / University Of Rhode Island, Providence, RI, (3) Rhode Island Hospital / Warren Alpert Medical, Warwick, RI, (4) University of Chicago Medicine, Chicago, IL, (5) UF Health Cancer Center at Orlando Health, Orlando, FL, (6) Rhode Island Hospital / Warren Alpert Medical, Providence, Rhode Island, (7) Rhode Island Hospital / Brown University, Providence, RI, (8) The Warren Alpert Medical School of Brown Univ., Providence, RI, (9) The Warren Alpert Medical School of Brown University, Providence, (10) Rhode Island Hospital, Providence, RI, (11) Rhode Island Hospital / Warren Alpert Medical, Providence, RI |
| WE-C930-GePD-F3-1 | A New Stereotactic Radiotherapy Machine for Whole Body Cancer Treatment with Automatic Beam Quality Assurance and End-To-End Image Guidance J Li1*, H Yan1 , J Zhang1 , P Zan1 , X Li2 , J Li1 , C Ma3 , H Liu1 , 1) OUR United Corporation, Xi'an, China (2) Tsinghua University, Beijing,China (3) Fox Chase Cancer Center, Philadelphia, PA, |
| WE-C930-GePD-F4-2 | Feasibility Study of a Robot-Based Thermoplastic Mask for Conventional Linac-Based Cranial SRS Treatments Without Online Tracking S Jang*, J Chang , D Heron , M Huq , UPMC Hillman Cancer Center and University of Pittsburgh School of Medicine, Pittsburgh, PA |
| WE-C930-GePD-F4-5 | Commissioning and Clinical Experience of Brainlab's Multimet Element Planning System for Cranial SRS Treatments On Elekta's VersaHD R Sandhu*, C Knill , R Halford , Z Seymour , K Lee , C Hyde , Beaumont Health, Dearborn, MI |
| WE-C930-GePD-F4-6 | Beam and Dose Targeting Accuracy of a Novel Self-Shielded Radiosurgery System D Pinnaduwage1*, S Srivastava1 , S Jani1 , X Yan1 , M Bodduluri2 , S Sorensen1 , (1) Barrow Neurological Institute (BNI) St. Joseph's Hospital & Medical Center, Phoenix, AZ, (2) Zap Surgical Systems, Inc., San Carlos, CA |
| WE-HI-301-3 | A Collimator Setting Optimization Algorithm for Dual-Arc Volumetric Modulated Arc Therapy in Pancreas Stereotactic Body Radiation Therapy X Li1*, Q Wu1 , M Palta1 , Y Zhang2 , Y Sheng1 , J Zhang1 , C Wang1 , (1) Duke University Medical Center, Durham, NC, (2) UT Southwestern Medical Ctr at Dallas, Dallas, TX |
| WE-HI-SAN1-0 | Efficiency/throughput RT for Low Resource Settings D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
| WE-HI-SAN1-1 | The need for Radiotherapy in Low and Middle Income Countries: the IAEA Perspective D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
| WE-HI-SAN1-2 | Redesigning IMRT for Low- and Middle-Income Countries D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
| WE-HI-SAN1-3 | Kilovoltage arc therapy (KVAT) D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
| WE-HI-SAN1-4 | Fixed-beam radiotherapy systems for more cost effective treatment D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
| WE-HI-SAN1-5 | Zap Surgical System D van der Merwe1*, E Ford2*, M Bazalova-Carter3*, P Liu4*, J Adler5*, (1) International Atomic Energy Agency, Vienna, Austria, (2) University of Washington, Seattle, WA, (3) University of Victoria, Victoria, BC, (4) The University of Sydney, Eveleigh, Australia, (5) Stanford University, Stanford, CA |
