Pelvic schwannoma mimicking as an adnexal mass

Schwannoma (neurilemmomas), a peripheral nerve sheath tumour generally occurs on the head and neck region, their pelvic occurrence is much rare. Retroperitoneal schwannomas are the rarest of all retroperitoneal tumours. We report a 45 year woman with a schwannoma in the retro peritoneum that was preoperatively diagnosed as an adnexal mass