title: A large pelvic mass in a 39-year-old man.
abstract: Schwannomas are encapsulated, usually benign, tumors composed of well-differentiated Schwann cells, arising from the neural sheath of peripheral nerves. The most common type of benign schwannoma is the acoustic neuroma arising from the eighth cranial nerve. Retroperitoneal schwannomas account for 0.5-3% of the retroperitoneal tumors in most series. We present a case of a 39-year-old man with a pelvic mass, arising from a sacral nerve root, diagnosed as a schwannoma.
authors: Department of Surgery, Section of General Surgery, University of Chicago Medical Center, 5841 S. Maryland Ave, MC 5095, Chicago, IL, 60637, USA.
authors: Roberto
authors: R
authors: Gullo
authors: Marco
authors: M
authors: Zoccali
authors: David M
authors: DM
authors: Frim
authors: Christopher
authors: C
authors: Skelly
authors: Alessandro
authors: A
authors: Fichera
mesh_terms: D000328:Adult; D001416:Back Pain / Q000209:etiology; D003248:Constipation / Q000209:etiology; D006801:Humans; D008160:Lumbosacral Plexus / Q000601:surgery*; D008279:Magnetic Resonance Imaging; D008297:Male; D009442:Neurilemmoma / Q000175:diagnosis / Q000601:surgery*; D010386:Pelvic Neoplasms / Q000175:diagnosis / Q000601:surgery*; D012735:Sexual Dysfunction, Physiological / Q000209:etiology; D013120:Spinal Cord Neoplasms / Q000175:diagnosis / Q000601:surgery*; D013126:Spinal Nerve Roots / Q000473:pathology / Q000601:surgery*; D014057:Tomography, X-Ray Computed