GIANT RETROPERITONEAL LIPOSARCOMA: CASES REPORT

Retro-peritoneal liposarcoma is a rare tumor which preoperative diagnosis and stagging are essential for planning its management. Methods and results:Case 1: A 58-year-old woman complaining of abdominal distension. Computed tomography revealed voluminous right abdominal mass. Bloc removal of the tumor was achieved. The histological diagnosis was well-differenciatedliposarcoma. Case 2: A 63-year-old man complaining of abdominal distension. Ultrasonography and Computed tomography revealed a huge tumor that involved all the right retroperitoneal space. At surgery, a right hemicolectomy and a right nephrectomy were performed for complete resection of the tumor. The final histopathological report showed well-differentiated liposarcoma of the retro peritoneum. Conclusion:Total surgical resection provides the patient best chance for cure. It may extend to the adjacent organ for an R0 resection.