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

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 …

Purpose: The purpose of the present study was to investigate the ability of commercial
patient quality assurance (QA) systems to detect linear accelerator‐related errors. Methods …

Purpose To compare detectors for dosimetric verification before VMAT treatments and
evaluate their sensitivity to errors. Methods and materials Measurements using three …

How flatbed scanners upset accurate film dosimetry - IOPscience This site uses cookies. By
continuing to use this site you agree to our use of cookies. To find out more, see our Privacy …

Quality assurance (QA) for intensity‐and volumetric‐modulated radiotherapy (IMRT and
VMAT) has evolved substantially. In recent years, various commercial 2D and 3D ionization …

Purpose: In this study, the authors are evaluating a new, commercially available 2D array
that offers 3D dose reconstruction for patient specific intensity modulated radiation therapy …

Purpose Despite their availability and simplicity of use, Electronic Portal Imaging Devices
(EPID s) have not yet replaced detector arrays for patient specific QA in 3D. The purpose of …

Purpose: The purpose of the study is to characterize the prototype of the new Octavius1500
(PTW, Freiburg, Germany) 2D ion chamber array, covering its use in different phantom …