Dose rates for brachytherapy applicators using 137Cs sources

Subhash C. Sharma, Bruce Gerbi, Hywel Madoc-Jones

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We have computed the dose rates from brachytherapy 3M 137Cs sources for different size ovoids and vaginal cylinders. They are expressed in tabular form. The dose rate tables thus generated compared with the widely used tables for 266Ra differ by as much as 9% for ovoids and up to 20% for the cylinders.' These differences are mainly a consequence of differences in physical structure of the two types of sources. These tables will serve as a quick guide and reference and should be of great practical use to physicists and radiotherapists for planning implants. However, these tables are not meant to replace detailed computer isodose calculations.

Original languageEnglish (US)
Pages (from-to)1893-1897
Number of pages5
JournalInternational Journal of Radiation Oncology, Biology, Physics
Volume5
Issue number10
DOIs
StatePublished - Oct 1979

Keywords

  • Brachytherapy applicators
  • Cs sources

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