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Radiat Oncol. 2006 Jul 20;1:22.

Radiation therapy planning with photons and protons for early and advanced breast cancer: an overview.

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1
Department of Radiation Medicine, Paul Scherrer Institute, Villigen-PSI, Switzerland. damien.weber@hcuge.ch

Abstract

Postoperative radiation therapy substantially decreases local relapse and moderately reduces breast cancer mortality, but can be associated with increased late mortality due to cardiovascular morbidity and secondary malignancies. Sophistication of breast irradiation techniques, including conformal radiotherapy and intensity modulated radiation therapy, has been shown to markedly reduce cardiac and lung irradiation. The delivery of more conformal treatment can also be achieved with particle beam therapy using protons. Protons have superior dose distributional qualities compared to photons, as dose deposition occurs in a modulated narrow zone, called the Bragg peak. As a result, further dose optimization in breast cancer treatment can be reasonably expected with protons. In this review, we outline the potential indications and benefits of breast cancer radiotherapy with protons. Comparative planning studies and preliminary clinical data are detailed and future developments are considered.

PMID:
16857055
PMCID:
PMC1553457
DOI:
10.1186/1748-717X-1-22
[Indexed for MEDLINE]
Free PMC Article
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