A practical method to reduce uncertainty in dose to patients undergoing electron beam therapy with rectangular fields

A. Bartolotta, V. Caputo, F. D'Alia, R. Di Liberto, D. Di Mariano

Research output: Contribution to journalArticle

Abstract

This technical note presents the results of an experimental analysis on the validity of the equivalent field concept in electron beam therapy. The depth dose values along central axis of various rectangular fields for 6, 9, and 12 MeV electron energy were compared with the corresponding values obtained with equivalent square fields. Best results were obtained with the square root method, that reduces uncertainty below 3%. On the basis of the experimental results, a method is suggested to further reduce this uncertainty.

Original languageEnglish
Pages (from-to)31-33
Number of pages3
JournalPhysica Medica
Volume13
Issue number1
Publication statusPublished - 1997

Keywords

  • electron beams
  • equivalent field
  • radiotherapy

ASJC Scopus subject areas

  • Biophysics
  • Physics and Astronomy(all)

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