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Abstract
In 137 patients with soft tissue sarcomas in the extremities, the influence of patient and tumor characteristics and surgical procedures on prognosis was studied using a multivariate statistical analysis. The minimum follow-up time was 6 years, and no patient was lost to follow-up.
Eighty-nine patients were referred with the tumor intact (primary series), while 48 were referred after biopsy or with local recurrence after previous surgery (secondary series). The frequency of amputation was 15 percent in the primary series and 48 percent in the secondary series. A local, function-preserving operation with a wide margin was performed in 37 patients without biopsy (clinical diagnosis alone). Local control of the disease was obtained in all but one of these patients without any adjunctive treatment.
Independent, unfavorable factors concerning local recurrence were advancing age, open biopsy, and marginal surgery. Independent, unfavorable factors concerning survival were advancing age, increasing histologic malignancy grade, and ablative surgery. A tumor-related death was observed in 0, 29, 47, and 67 percent of the patients with tumors of malignancy grades I, II, Ill, and IV, respectively.
