Major Amputations for Extremity Soft-Tissue Sarcoma.
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INTRODUCTION: With modern techniques facilitating limb conservation, amputation for extremity soft-tissue sarcoma (ESTS) is now rare. We sought to determine the indications and outcomes following major amputation for ESTS and whether amputation is prognostic of oncological outcomes in primary disease. PATIENTS AND METHODS: Patients undergoing major amputations for ESTS from 2004 to 2014 were identified from electronic patient records. RESULTS: The amputation rate in primary localized disease was 4.1%. Overall, 69 patients were identified, including 23 (33.3%) amputations for primary localized disease, 36 (52.2%) amputations for recurrent disease, and 10 (14.5%) amputations for metastatic disease. The local recurrence rate for localized disease at 3 years was 10.4%. Three-year overall survival (OS) was 50.3% following curative amputation, with a median survival of 41 months, and median OS following palliative amputation was 6 months. In the context of primary, localized disease, patients undergoing amputation had a greater proportion of high-grade tumors (69.6% vs. 41.1%; p = 0.009) of greater size (median 16.0 vs. 9.0 cm; p = 0.003) when compared with patients undergoing limb-conserving surgery. The rates of systemic relapse and disease-specific survival were poorer following amputation compared with limb-conserving surgery, however mode of surgery (amputation vs. limb conservation) was only prognostic for OS. CONCLUSIONS: Amputation maintains an important role in ESTS and achieves durable local control in those unsuitable for limb-conserving surgery. Survival following amputation in the presence of metastatic disease is poor and should be reserved for patients with significant symptoms.
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Sarcoma and Melanoma Surgery
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Ann Surg Oncol, 2018, 25 (2), pp. 387 - 393