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- W1984639445 abstract "Évaluer la toxicité aiguë de la radiothérapie conformationnelle avec modulation d’intensité dans le traitement adjuvant postopératoire des sarcomes rétropéritonéaux. Les dossiers des patients opérés d’un sarcome rétropéritonéal puis irradiés avec modulation d’intensité ont été rétrospectivement revus. Les patients étaient atteints de lésions primitives pour sept et de rechutes pour sept. Tous ont bénéficié d’une résection macroscopiquement complète. Toutes les tumeurs étaient des liposarcomes, de taille médiane de 21 cm (extrêmes : 15–45), le volume cible prévisionnel médian était de 580 cm3 (extrêmes : 329–1172) et la dose médiane prescrite de 50,4 Gy (extrêmes : 45–54). Le suivi médian est de 11,5 mois (extrêmes : 2–21,4). La toxicité aiguë a été modérée : une toxicité digestive aiguë de grade 1–2 est survenue chez 12 des 14 patients (86 %), mais il n’y a eu aucune perte de poids de plus de 5 % et aucune interruption de traitement. Sur le plan digestif, deux mois après la fin de la radiothérapie, il n’était plus relevé qu’un cas de toxicité de grade 1 (7 %). Il n’y a eu qu’un cas de toxicité de grade 3 (douleur abdominale transitoire) pendant le suivi. Trois tumeurs ont rechuté, deux uniquement en dehors de la région irradiée et une à la fois en zone irradiée et non irradiée. La toxicité aiguë de la radiothérapie conformationnelle avec modulation d’intensité est faible. Un suivi plus long est nécessaire pour évaluer la toxicité à long terme, principalement digestive et rénale, et le risque de cancer radio-induit. To assess the acute toxicity of intensity modulated radiotherapy as post-operative adjuvant treatment for retroperitoneal sarcoma. Patients who received adjuvant intensity modulated radiotherapy from January 2009 to September 2010 were retrospectively reviewed. Fourteen patients entered the study (seven primary tumours and seven relapses). All tumours were liposarcoma and had macroscopically complete resection, epiploplasty was systematically realized. Median tumour size was 21 cm (range: 15–45), median planning target volume was 580 cm3 (range: 329–1172) and median prescribed dose was 50.4 Gy (range: 45–54). Median follow-up was 11.5 months (range: 2–21.4). Acute toxicity was mild: acute digestive toxicity grade 1–2 occurred in 12/14 patients (86%). However, there was no weight loss of more than 5% during radiotherapy and no treatment interruption was required. Two months after completion of radiotherapy, digestive toxicity grade 1 remained present in 1/14 patients (7%). One case of grade 3 toxicity occurred during follow-up (transient abdominal pain). Three relapses occurred: two were outside treaded volume and one was both in and outside treated volume. Intensity modulated radiotherapy in the postoperative setting of retroperitoneal sarcoma provides low acute toxicity. Longer follow-up is needed to assess late toxicity, especially for bowel, kidney and radio-induced malignancies." @default.
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- W1984639445 date "2011-08-01" @default.
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- W1984639445 title "Radiothérapie avec modulation d’intensité dans le traitement postopératoire des sarcomes rétropéritonéaux : profil de toxicité aiguë" @default.
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- W1984639445 doi "https://doi.org/10.1016/j.canrad.2011.04.002" @default.
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