Transperineal resection of a retroperitoneal liposarcoma presenting as a perineal mass.

BACKGROUND: Liposarcomas can present as giant liposarcomas in the retroperitoneal position. CASE: A healthy woman presented with a large recurrent proboscis-type mass at the left gluteus and underwent a transperineal resection of the mass. The patient tolerated the procedure well and was discharged after a short hospitalization. CONCLUSION: Once invasion into adjacent structures has been ruled out, a transperineal resection of giant retroperitoneal liposarcomas can be performed.