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| MO-E115-GePD-F8-3 | Convenient Characterization of Megavoltage Flat Panel Modulation Transfer Function by Measuring the Edge Spread Function with a Thin Tantalum Foil T Harris1,2*, J Seco3 , J Star-Lack4 , M Shi5 , R Berbeco2 , (1) University of Heidelberg, Heidelberg, Germany, (2) Brigham & Women's Hospital, Boston, MA, (3) DKFZ Heidelberg, FS05, Heidelberg, ,(4) Varex Imaging, Salt Lake City, UT, (5) University of Massachusetts Lowell, Lowell, MA |
| MO-I345-GePD-F1-1 | Monte Carlo Simulations of EPID Transit Dosimetry: A Feasibility Study L Yu*, J Wang , W Hu , X Xia , Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China |
| PO-GePV-T-132 | Applying TG-218 Methodology to Large Field VMAT QA Using a Gantry-Resolved EPID-Based Technique P Cardoso1*, Q Wu2 , B Liang3 , R Wei3 , (1) Duke Kunshan University, Kunshan, China, (2) Duke University Medical Center, Durham, NC, (3) Image Processing Center, Beihang University, Beijing, China |
| 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-142 | Using EPID in Vivo Dosimetry to Quantify Treatment Delivery Accuracy in Canine Head and Neck Tumors J Lambeck1*, S Saad2 , K Hansen3 , M Kent3 , S Dieterich4 , (1) University of California Davis, Sacramento, CA, (2) The William R. Prichard Veterinary Medical Teaching Hospital, School of Veterinary Medicine,UC Davis, Davis, CA, (3) Department of Surgical and Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA, (4) UC Davis Medical Center, Sacramento, CA |
| PO-GePV-T-166 | Comparison of Patient-Specific IMRT QA with the Integral Quality Monitor (IQM) and the Electronic Portal Imaging Device (EPID) M Ghafarian*, M Morales-Paliza , M Price , Vanderbilt University Medical Center, Nashville, TN |
| SU-J400-CAMPUS-F3-3 | Real-Time Dose Verification in Preclinical Small Animal Radiation Therapy A Anvari*, A Sawant , University of Maryland School of Medicine, Baltimore, MD |
| TU-C1000-GePD-F5-3 | Initial Experience with the TrueBeam Fiducial-Based Gating System Using KV-Triggered Imaging for Prostate SBRT A Besemer1,4*, K Vredevoogd2,4, M Geurts3,4, D Jacqmin4, Z Labby4, G Cooley4, (1) University of Nebraska Medical Center, Omaha, NE, (2) Turville Bay Radiation Oncology, Madison, WI, (3) Aspirus, Inc., Wausau, WI, (4) University of Wisconsin, Madison, WI |
| TU-F115-GePD-F3-1 | Sub-Image Sampling Method to Improve Temporal Resolution of Time-Resolved EPID Applications C Cassell1*, D Lee1 , P Greer1,2 , (1) School of Mathematical and Physical Sciences, University of Newcastle, Callaghan, NSW, Australia (2) Radiation Oncology, Calvary Mater Newcastle Hospital, Newcastle, NSW, Australia |
| TU-F115-GePD-F3-4 | EPID-Based Three-Dimensional Dose Reconstruction Method H Zheng*, J Zhao , M Cheng , J Jia , J Song , G Song , T He , Y Wu , Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Anhui Radiotherapy Engineering Technology Research Center, Hefei, Anhui, 230031, China; |
| TU-F115-GePD-F5-3 | Comparison of Patient-Specific Dose From 2.5 MV and 6 MV Imaging Beams Calculated Using a Commercial TPS W Ferris1*, W Culberson1 , Z Labby2 , (1) Dept of Med Phys, School of Medicine and Public Health, Univ of Wisc - Madison, (2) Dept of Human Oncology, School of Medicine and Public Health, Univ of Wisc - Madison |
| TU-HI-SAN4-5 | Development of a Gantry-Resolved EPID-Based Frame-By-Frame Patient-Specific VMAT QA Method P Cardoso1*, Q Wu2 , B Liang3 , R Wei3 , (1) Duke Kunshan University, Kunshan, China, (2) Duke University Medical Center, Durham, NC, (3) Image Processing Center, Beihang University, Beijing, China |
| TU-HI-SAN4-12 | Treatment Verification of the Elekta Unity MR-Linac Adapted Workflow Using in Vivo 3D EPID Dosimetry I Olaciregui Ruiz*, I Torres Xirau* , U van der Heide , A Mans , The Netherlands Cancer Institute |
| WE-C1000-GePD-F3-4 | Fast and Automatic QA System for Cobalt Based Stereotactic Radiotherapy Machine: Collimator Verification and Isocenter Check H Yan1*, X Li2 , T Gou1 , J Li1 , C Deng1 , C Ma3, J Li1 , (1)OUR United Corporation, Xi"an, China,(2) Tsinghua University, Beijing, China,(3)Fox Chase Cancer Center, Philadelphia, PA |
| WE-C1000-GePD-F6-6 | Contrast Enhancement of MV Portal Imaging in Nanoparticle-Enhanced Radiotherapy: A Monte Carlo Phantom Study A Abdulle1* , J Chow2, (1) Ryerson University, Toronto, ON, (2) Princess Margaret Cancer Centre, Toronto, ON |
| WE-HI-SAN2-2 | A Prototype Device for Proton Portal Imaging Using Exit Neutrons S Samant1*, J Nimmagadda2 , S Gokhale2 , E Kryck3 , Y Liang2 , R Slopsema4 , M Ho3 , J Baciak2 , T Samant5 , (1) Department of Radiation Oncology, University of Florida, Gainesville, FL, (2) Nuclear Engineering Program, University of Florida, Gainesville, FL, (3) UF Health Proton Therapy Institute, Jacksonville, FL, (4) Emory Proton Therapy Center, Atlanta, GA, (5) UF Research Computing, University of Florida, Gainesville, |
