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Cancer Radiother. 2013 Apr;17(2):130-5. doi: 10.1016/j.canrad.2013.01.007. Epub 2013 Mar 14.

[Brachytherapy for head and neck cancers].

[Article in French]

Author information

1
Département de radiothérapie, centre Jean-Perrin, 58, rue Montalembert, 63011 Clermont-Ferrand cedex 1, France. michel.lapeyre@cjp.fr

Abstract

The main indications of brachytherapy for head and neck cancers are limited tumours of the oral cavity, the oropharynx and the nasopharynx. This technique can be exclusive, associated with external radiotherapy or postoperative. This is also a treatment for second localizations in previously irradiated areas. If low-dose rate brachytherapy is the reference, the pulse dose rate brachytherapy by control of the dose rate and optimisation of the dose distribution is the technique to be preferred. High-dose rate brachytherapy is an option. The major prognosis factors of local control and complications are the use of a leaded protection of the mandible, the intersource spacing (1.2-1.4 cm), the volume treated (30 cm(3), i.e. three loops), the safety margin (5 mm), the dose rate (0.5 Gy/h), the total dose (65 Gy in case of exclusive brachytherapy, 25 Gy in case of a combination of external beam irradiation [50 Gy] and brachytherapy in the oropharyngeal carcinomas, 35 Gy in case of a combination of external beam irradiation [40 Gy] and brachytherapy in the oral cavity carcinomas, 60 Gy in case of a second localization in previous irradiated tissues), the delay between external irradiation and brachytherapy (<20 days), the dose per fraction and the treated volume for high-dose rate brachytherapy. Brachytherapy, when possible, is the optimal method of irradiation of head and neck carcinomas with limited volume.

PMID:
23498590
DOI:
10.1016/j.canrad.2013.01.007
[Indexed for MEDLINE]

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