Purpose Patient‐specific IMRT QA measurements are important components of processes
designed to identify discrepancies between calculated and delivered radiation doses …

Purpose Electronic portal imaging devices (EPIDs) have been widely utilized for patient‐
specific quality assurance (PSQA) and their use for transit dosimetry applications is …

Purpose: This study (1) examines a variety of real‐world cases where systematic errors were
not detected by widely accepted methods for IMRT/VMAT dosimetric accuracy evaluation …

Patient specific 3D printed phantom for IMRT quality assurance - IOPscience Skip to content
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …

Purpose Despite improvements in optimization and automation algorithms, the quality of
radiation treatment plans still varies dramatically. A tool that allows a priori estimation of the …

Purpose: The effects of respiratory motion on the tumor dose can be divided into the gradient
and interplay effects. While the interplay effect is likely to average out over a large number of …

Purpose This work describes a patient-specific dosimetry quality assurance (QA) program
for intensity modulated radiation therapy (IMRT) using ViewRay, the first commercial …

Objective: To investigate comparatively the percentage gamma passing rate (% GP) of two-
dimensional (2D) and three-dimensional (3D) pre-treatment volumetric modulated arc …

Many devices designed for the purpose of performing patient‐specific IMRT/VMAT QA are
commercially available. In this work we report our experience and initial clinical results with …

Methods to calibrate Megavoltage electronic portal imaging devices (EPIDs) for dosimetry
have been previously documented for dynamic treatments such as intensity modulated …