SU-E-T-170: A Viable Approach to Patient Specific QA for Spine VMAT SRS Using EPID-Based Dosimetry.


PURPOSE VMAT involves multi-parameter modulations, thus presenting multi-dimensional challenges. Here, we present a viable approach to VMAT patient specific QA using EPID-based dosimetry for spine VMAT SRS casesMethods: Our spine VMAT SRS plans consisted of two full arcs and were optimized with 6 MV photons for a Varian Trilogy LINAC. The QA plans were… (More)
DOI: 10.1118/1.4735228


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