What Are Risk Factors for Local Recurrence of Deep High-grade Soft-tissue Sarcomas?

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Abstract
Tumors at various depths, it is unclear what factors influence recurrence of deep, high-grade sarcomas. Questions/purposes We therefore determined whether possible risk factors (tumor size, location, histologic subtype, unplanned excision, local recurrence at presentation, metastasis at diagnosis, surgical procedure, surgical margin, and adjuvant treatments) influenced local recurrence of deep, high-grade, soft-tissue sarcomas. Patients and Methods We retrospectively reviewed 433 patients with deep, high-grade, soft-tissue sarcomas surgically treated between 1985 and 2005. For each patient, we reviewed tumor size, location, histologic subtype, unplanned excision, local recurrence at presentation, metastasis at diagnosis, surgical procedure, surgical margin, and adjuvant treatments and determined the effect of each prognostic variable on local recurrence. The minimum followup was 1 month (median, 51 months; range, 1-305 months). Results Forty-seven patients had local recurrence at a median of 10.7 months. Local recurrence at presentation, metastasis at diagnosis, and positive margins independently predicted local recurrence. No other factors independently predicted local recurrence. Conclusions Unplanned excisions did not increase the rate of local recurrence of deep, high-grade, soft-tissue sarcomas if treated appropriately. Aggressiveness of tumor represented by metastasis or local recurrence at presentation may be a risk for local recurrence. Level of Evidence Level II, prognostic study. See Guidelines for Authors for a complete description of levels of evidence....

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