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Radiothérapie par modulation d’intensité

Intensity modulated radiation therapy

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Oncologie

Résumé

La radiothérapie par modulation d’intensité permet d’augmenter la dose au volume cible en respectant l’irradiation des organes critiques et des tissus sains. La technique s’est particulièrement développée dans les indications des cancers prostatiques, des cancers de la tète et du cou et des tumeurs gynécologiques pelviennes. Les différentes étapes de la mise en œuvre de ces traitements nécessitent des programmes d’assurance de qualité rigoureux permettant de valider les indications, la définition des volumes à traiter et respectant les contraintes des organes sensibles. Son efficacité et ses résultats sont désormais bien établis pour les irradiations à dose élevée des cancers prostatiques et pour la préservation salivaire des malades irradiés pour les cancers de la tête et du cou. La formation des personnes impliquées dans la mise en œuvre de ces traitements est indispensable à sa généralisation afin de permettre à un nombre plus important de patients de bénéficier de cette amélioration technologique en radiothérapie.

Abstract

Intensity modulated radiation therapy makes it possible to increase the dose delivered to the target volume while avoiding the irradiation of at-risk organs and normal tissue. This technique is mainly indicated in the treatment of prostate carcinoma, head and neck cancer and pelvic gynaecological malignancies. The different steps in the use of this treatment require thorough quality assurance programmes that confirm the indications, target volumes and constraints with regard to normal tissue. The efficacy and outcomes of the high-dose irradiation of prostate tumours and its effectiveness in preventing xerostomia in patients treated for head and neck cancers have been well established. The key to increasing the number of patients who will benefit from this technological advancement is the systematic training of the medical professionals involved in its implementation.

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Correspondence to P. Maingon.

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Maingon, P., Truc, G., Peignaux, K. et al. Radiothérapie par modulation d’intensité. Oncologie 9, 417–421 (2007). https://doi.org/10.1007/s10269-007-0653-x

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  • DOI: https://doi.org/10.1007/s10269-007-0653-x

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