A retrospective analysis was performed of 46 cases of sarcoma treated in our institution between 1989 and 2007 that occurred in a previously irradiated area. Eight male and 38 female patients had received radiotherapy, mainly for breast cancer and genitourinary tumours. The interval between irradiation and the diagnosis of sarcoma ranged from 1 to 54 years (median 15 y). The most common clinical findings were a mass, pain and skin dislocation. Angiosarcoma and sarcoma non-otherwise-specified were the most common histological types. Surgical resection was performed in 34 patients (74%) and 5-year survival was 45% when a radical resection was obtained. No 5-year survival was noticed after non-radical resection and in the absence of surgery. Stage and location of the sarcoma were other prognostic factors. Overall 5-year survival was 27% for the whole group.
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