Retroperitoneal lipoma arising from the urinary bladder
Retroperitoneal benign lipomas are extremely rare and represent about 2.9% of all primary retroperitoneal tumors.About 80% of the tumors in the retroperitoneal cavities are malignant neoplasms.We experienced a case of a retroperitoneal lipoma simulating an ovarian mature cystic teratoma.A diagnosis was correctly bengals lunch box made by magnetic r