Procedures for establishing and maintaining consistent air-kerma strength standards for low-energy, photon-emitting brachytherapy sources: Recommendations of the Calibration Laboratory Accreditation Subcommittee of the American Association of Physicists in Medicine

Larry A. DeWerd, M. Saiful Huq, Indra J. Das, Geoffrey S. Ibbott, William F. Hanson, Thomas W. Slowey, Jeffrey F. Williamson, Bert M. Coursey

Research output: Contribution to journalReview article

31 Scopus citations

Abstract

Low dose rate brachytherapy is being used extensively for the treatment of prostate cancer. As of September 2003, there are a total of thirteen 125I and seven 103Pd sources that have calibrations from the National Institute of Standards and Technology (NIST) and the Accredited Dosimetry Calibration Laboratories (ADCLs) of the American Association of Physicists in Medicine (AAPM). The dosimetry standards for these sources are traceable to the NIST wide-angle free-air chamber. Procedures have been developed by the AAPM Calibration Laboratory Accreditation Subcommittee to standardize quality assurance and calibration, and to maintain the dosimetric traceability of these sources to ensure accurate clinical dosimetry. A description of these procedures is provided to the clinical users for traceability purposes as well as to provide guidance to the manufacturers of brachytherapy sources and ADCLs with regard to these procedures.

Original languageEnglish (US)
Pages (from-to)675-681
Number of pages7
JournalMedical physics
Volume31
Issue number3
DOIs
StatePublished - Mar 2004

Keywords

  • Brachytherapy
  • Dosimetry
  • Low dose rate sources

ASJC Scopus subject areas

  • Biophysics
  • Radiology Nuclear Medicine and imaging

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