RETROPERITONEAL LIPOSARCOMAS - STUDY OF 10 CASES

INTRODUCTION: retroperitoneal liposarcomas are unusual tumors. Their b iological and clinical features different from other retroperitoneal s arcomas. AIM: to analyze our series of retroperitoneal liposarcomas. P ATIENTS AND METHODS: retrospective study of 10 patients with retroperi toneal liposarcoma diagnosed in the last 16 years at our institution. Symptoms: diagnosis, treatment and prognosis were analyzed. RESULTS: r adical resection was done in all cases. Postoperative mortality was 10 %. Complementary treatment was considered in each patient. Recurrent. disease occurred in 8 patients (14 recurrences), during follow up. In 4-2% of them recurrences were resected. Actuarial 5-year survival rate was 44%. CONCLUSION: poor prognosis of retroperitoneal liposarcoma is due to its high recurrence rate.