Purpose: Extremity soft-tissue sarcomas are treated by wide surgical resection with normofractionated radiotherapy. Over the past 3years, several phase II trials emerged on perioperative hypofractionated radiotherapy. We aimed to review the current practice in France and Luxembourg of hypofractionated radiotherapy as curative treatment for extremity soft-tissue sarcomas.
Materials and methods: We sent an electronic adaptive survey to sarcoma radiation oncologists at 28 centres in France and the Grand Duchy of Luxembourg belonging to the NETSARC network. The questionnaire was distributed via the NETSARC mailing list in December 2021 and January 2022. It consisted of four to nine questions with closed multiple choice, or open-ended (short or long) answers. Some questions assessed agreement with proposals for pre- or postoperative hypofractionated radiotherapy for extremity soft-tissue sarcomas.
Results: Of the 28 radiation oncologists surveyed, 11 (39.2 %) from nine centres responded. Of these, 55 % used hypofractionated radiotherapy, mainly for elderly and frail patients. The main reason why hypofractionated radiotherapy was not used was the lack of scientific evidence and therapeutic habits.
Conclusion: Hypofractionated radiotherapy for extremity soft-tissue sarcomas remains to be investigated in high-powered studies but could be offered in the future for well-selected patients by a multidisciplinary board in a sarcoma referral centre.
Keywords: Extremity; Extrémité; Hypofractionation; Hypofractionnement; Radiotherapy; Radiothérapie; Sarcomas; Sarcome.
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