The charges on this task group (TG) were as follows:(a) provide specific procedural
guidelines for performing the tests recommended in TG 142;(b) provide estimate of the …

Purpose To investigate the variability of the global gamma index (γ) analysis in various
commercial IMRT/VMAT QA systems and to assess the impact of measurement with low …

This work investigated the differences between multileaf collimator (MLC) positioning
accuracy determined using either log files or electronic portal imaging devices (EPID) and …

Purpose: To quantify the ability of electronic portal imaging device (EPID) dosimetry used
during treatment (in vivo) in detecting variations that can occur in the course of patient …

Purpose: As treatment delivery becomes more complex, there is a pressing need for robust
quality assurance (QA) tools to improve efficiency and comprehensiveness while …

Purposes Multileaf collimator (MLC) positional accuracy during dynamic intensity
modulation radiotherapy (IMRT) delivery is crucial for safe and accurate patient treatment …

Purpose: The purpose of this study was 2‐fold. One purpose was to develop an automated,
streamlined quality assurance (QA) program for use by multiple centers. The second …

Abstract Machine Performance Check (MPC) is an automated and integrated image‐based
tool for verification of beam and geometric performance of the TrueBeam linac. The aims of …

Purpose This study evaluates the correlation between the susceptibility of the γ passing rate
of IMRT plans to the multi-leaf collimator (MLC) position errors and a quantitative plan …

Purpose: This study investigates the impact of systematic multileaf collimator (MLC)
positional errors on gamma analysis results used for quality assurance (QA) of Rapidarc …