Respiratory synchronization and breast radiotherapy

Adjuvant radiation therapy following breast cancer surgery continues to improve locoregional control and overall survival. But the success of highly targeted-conformal radiotherapy such as intensity-modulated techniques, can be compromised by respiratory motion. The intrafraction motion can potentia...

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Bibliographic Details
Published in:Cancer radiothérapie 2016-10, Vol.20 (6-7), p.576-582
Main Authors: Mège, A, Ziouèche-Mottet, A, Bodez, V, Garcia, R, Arnaud, A, de Rauglaudre, G, Pourel, N, Chauvet, B
Format: Article
Language:fre
Subjects:
Breast Neoplasms - radiotherapy
Breath Holding
Female
Heart - radiation effects
Humans
Lung - radiation effects
Organs at Risk
Patient Education as Topic
Patient Selection
Radiotherapy, Intensity-Modulated - methods
Respiration
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Summary:Adjuvant radiation therapy following breast cancer surgery continues to improve locoregional control and overall survival. But the success of highly targeted-conformal radiotherapy such as intensity-modulated techniques, can be compromised by respiratory motion. The intrafraction motion can potentially result in significant under- or overdose, and also expose organs at risk. This article summarizes the respiratory motion and its effects on imaging, dose calculation and dose delivery by radiotherapy for breast cancer. We will review the methods of respiratory synchronization available for breast radiotherapy to minimize the respiratory impact and to spare organs such as heart and lung.
ISSN:1769-6658
DOI:10.1016/j.canrad.2016.07.072