Synovial sarcoma (SS) is a malignant soft tissue sarcoma with a poor prognosis because of late local recurrence and distant metastases. To our knowledge, no studies have minimum follow-up of 10 years that evaluate long-term outcomes for survivors. Data on 62 patients who had been treated for SS from 1968 to 1999 were studied retrospectively in a multicenter study. The following parameters were examined for their potential prognostic value: age at diagnosis, sex, tumour site and size, histology, histological grade, fusion type (SYT-SSX1 vs. SYT-SSX2), and surgical margin status. Mean follow-up of living patients was 17.2 years, and of dead patients 7.7 years.Aim
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