Normal tissue dose and second cancer risk due to megavoltage fan-beam CT, static tomotherapy and helical tomotherapy in breast radiotherapy.
Level III
Where this comes from
- Record sourced from PubMed, PMID 23849173.
- Also identified by DOI 10.1016/j.radonc.2013.05.019.
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Abstract
This study investigates the dose from the 1mm 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.
Medical subject headings
- Breast Neoplasms
- Cone-Beam Computed Tomography
- Neoplasms, Second Primary
- Radiotherapy, High-Energy
- Radiotherapy, Intensity-Modulated