Treatment-induced pathologic necrosis is an independent predictor of both local recurrence and overall survival in patients who receive neoadjuvant therapy for high-grade extremity soft tissue sarcomas. A complete pathologic response (> or = 95% pathologic necrosis) correlated with a significantly lower rate of local recurrence and improved overall survival.
Synovial sarcoma accounts about 9% of soft tissue sarcomas, most commonly develops in the extremity of young adults, is considered high grade and contains a characteristic translocation (X;18;p11;q11). While surgery and radiation therapy have achieved excellent local control, distant metastasis remains the principal problem limiting survival. Although ifosfamide based chemotherapy has been associated with an improved survival in patients with synovial sarcoma, the search for less toxic and more targeted systemic therapies is ongoing.
Ifosfamide-based chemotherapy was associated with an improved DSS in adult patients with high-risk, primary, extremity, synovial sarcoma and should be considered in the treatment of such patients.
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