Normal tissue dose and second cancer risk due to megavoltage fan-beam CT, static tomotherapy and helical tomotherapy in breast radiotherapy

Alexandra Quinn, Lois Holloway, Nicholas Hardcastle, Wolfgang A. Tomé, Anatoly Rosenfeld, Peter Metcalfe

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

This study investigates the dose from the 1 mm collimator width megavoltage fan-beam CT (fine, normal and coarse pitch) available on tomotherapy as well as for whole-breast tomotherapy treatments. The BEIR VII lifetime attributable risk model was utilised to assess the significance of the imaging dose relative to the treatment dose.

Original languageEnglish (US)
Pages (from-to)266-268
Number of pages3
JournalRadiotherapy and Oncology
Volume108
Issue number2
DOIs
StatePublished - Aug 1 2013

Keywords

  • Breast
  • CT
  • Cancer risk
  • Dose
  • Megavoltage
  • Tomotherapy

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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