Report of AAPM Task Group 219 on independent calculation-based dose/MU verification for IMRT

  • Timothy C. Zhu
  • , Sotiris Stathakis
  • , Jennifer R. Clark
  • , Wenzheng Feng
  • , Dietmar Georg
  • , Shannon M. Holmes
  • , Stephen F. Kry
  • , Chang Ming Charlie Ma
  • , Moyed Miften
  • , Dimitris Mihailidis
  • , Jean M. Moran
  • , Niko Papanikolaou
  • , Bjorn Poppe
  • , Ying Xiao

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

Independent verification of the dose per monitor unit (MU) to deliver the prescribed dose to a patient has been a mainstay of radiation oncology quality assurance (QA). We discuss the role of secondary dose/MU calculation programs as part of a comprehensive QA program. This report provides guidelines on calculation-based dose/MU verification for intensity modulated radiation therapy (IMRT) or volumetric modulated arc therapy (VMAT) provided by various modalities. We provide a review of various algorithms for “independent/second check” of monitor unit calculations for IMRT/VMAT. The report makes recommendations on the clinical implementation of secondary dose/MU calculation programs; on commissioning and acceptance of various commercially available secondary dose/MU calculation programs; on benchmark QA and periodic QA; and on clinically reasonable action levels for agreement of secondary dose/MU calculation programs.

Original languageEnglish (US)
Pages (from-to)e808-e829
JournalMedical physics
Volume48
Issue number10
DOIs
StatePublished - Oct 2021

ASJC Scopus subject areas

  • Biophysics
  • Radiology Nuclear Medicine and imaging

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