title: Lobulated schwannoma of the median nerve: pitfalls in diagnostic imaging.
abstract: The authors report an unusual case of volar wrist swelling with the appearance of a simple ganglion on magnetic resonance imaging (MRI); however, operative and histologic examination identified the swelling as an ancient schwannoma. Ancient schwannomas mostly present as a solitary tumor. A lobulated tumor in this location has not been described previously. The pathologic findings of these uncommon tumors and the difficulties encountered in accurate preoperative diagnosis are discussed.
authors.affiliation: Department of Orthopaedic and Trauma Surgery, The Manor Hospital, Walsall, West Midlands, United Kingdom. bhattiarsh@hotmail.com
authors.forename: Arshad M
authors.initials: AM
authors.lastname: Bhatti
authors.forename: Gabriel O
authors.initials: GO
authors.lastname: Alo
authors.forename: Dominic M
authors.initials: DM
authors.lastname: Power
authors.forename: Ahmad
authors.initials: A
authors.lastname: Masood
authors.forename: Makarand G
authors.initials: MG
authors.lastname: Thuse
mesh_terms: D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D020423:Median Neuropathy / Q000175:diagnosis* / Q000601:surgery; D008875:Middle Aged; D009442:Neurilemmoma / Q000175:diagnosis* / Q000601:surgery; D010524:Peripheral Nervous System Neoplasms / Q000175:diagnosis* / Q000601:surgery