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Addendum to the AAPMˈs TG‐51 protocol for clinical reference dosimetry of high‐energy photon beams

Overview of attention for article published in Medical Physics, March 2014
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Addendum to the AAPMˈs TG‐51 protocol for clinical reference dosimetry of high‐energy photon beams
Published in
Medical Physics, March 2014
DOI 10.1118/1.4866223
Pubmed ID

Malcolm McEwen, Larry DeWerd, Geoffrey Ibbott, David Followill, David W. O. Rogers, Stephen Seltzer, Jan Seuntjens


An addendum to the AAPM's TG-51 protocol for the determination of absorbed dose to water in megavoltage photon beams is presented. This addendum continues the procedure laid out in TG-51 but new kQ data for photon beams, based on Monte Carlo simulations, are presented and recommendations are given to improve the accuracy and consistency of the protocol's implementation. The components of the uncertainty budget in determining absorbed dose to water at the reference point are introduced and the magnitude of each component discussed. Finally, the consistency of experimental determination of ND,w coefficients is discussed. It is expected that the implementation of this addendum will be straightforward, assuming that the user is already familiar with TG-51. The changes introduced by this report are generally minor, although new recommendations could result in procedural changes for individual users. It is expected that the effort on the medical physicist's part to implement this addendum will not be significant and could be done as part of the annual linac calibration.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 352 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Spain 3 <1%
United States 2 <1%
Japan 2 <1%
Belgium 1 <1%
Germany 1 <1%
Turkey 1 <1%
Canada 1 <1%
Unknown 341 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 75 21%
Researcher 54 15%
Student > Master 48 14%
Other 43 12%
Professor > Associate Professor 19 5%
Other 51 14%
Unknown 62 18%
Readers by discipline Count As %
Physics and Astronomy 163 46%
Medicine and Dentistry 67 19%
Engineering 14 4%
Agricultural and Biological Sciences 6 2%
Nursing and Health Professions 6 2%
Other 10 3%
Unknown 86 24%