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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 |
| 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-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 |
| 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-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 |
| 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 |
