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Tolerance limits and methodologies for<scp>IMRT</scp>measurement‐based verification<scp>QA</scp>:<i>Recommendations of<scp>AAPM</scp>Task Group No. 218</i>

Medical Physics · 2018 · Vol. 45(4) · pp. e53–e83

Moyed Miften✉(University of Colorado Denver)Arthur J. Olch(University of Southern California)D Mihailidis(University of Pennsylvania)Jean M. Moran(University of Michigan–Ann Arbor)Todd Pawlicki(University of California, San Diego)A Molineu(The University of Texas MD Anderson Cancer Center)Harold Li(Washington University in St. Louis)K. Wijesooriya(University of Virginia)Jie Shi(Sun Nuclear (United States))Ping Xia(Cleveland Clinic)Nikos Papanikolaou(The University of Texas Health Science Center at San Antonio)Daniel A. Low(University of California, Los Angeles)

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Abstract

Recommendations on delivery methods, data interpretation, dose normalization, the use of γ analysis routines and choice of tolerance limits for IMRT QA are made with focus on detecting differences between calculated and measured doses via the use of robust analysis methods and an in-depth understanding of IMRT verification metrics. The recommendations are intended to improve the IMRT QA process and establish consistent, and comparable IMRT QA criteria among institutions.

Advanced Radiotherapy Techniques Radiation Dose and Imaging Radiation Therapy and DosimetryComputer scienceTask groupQuality assuranceNormalization (sociology)Medical physicsMedicineEngineering