Successful surgical treatment for huge retroperitoneal liposarcoma involving the pancreas, right kidney, abdominal aorta and inferior vena cava

Abstract

Retroperitoneal liposarcoma is a rare neoplasm that often involves other organs and major blood vessels. Complete surgical resection with negative margins is the only potential curative treatment. Here, we report the case of a patient with a large retroperitoneum liposarcoma that was removed by resection of the descending abdominal aorta and infrahepatic inferior vena cava, right nephrectomy and pancreatoduodenectomy following creation of an extra anatomical femoro-femoral crossover bypass after left axillo-left femoral bypass. The patient developed leg edema for a few weeks after surgery but this condition was gradually resolved with diuretics. Otherwise, no serious postoperative complication was observed, and the patient was discharged at 37 days after surgery. There has been no evidence of recurrence for 16 months. In conclusion, radical surgical resection is a possible therapeutic option for retroperitoneal liposarcoma involving major vessels or other organs, and may improve survival if negative resection margins can be achieved.

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