title: Simultaneous neurofibroma and schwannoma of the sciatic nerve.
abstract: The authors report a case of simultaneously occurring neurofibroma and schwannoma of the sciatic nerve and discuss the complementary aspects of MR and US. The schwannoma was well-defined and showed distal enhancement on sonographic evaluation, whereas the neurofibroma was ill-defined; both tumors were hypoechoic. T1- and T2-weighted MR images revealed similar signal characteristics of the two tumors, but intense enhancement following administration of gadolinium-DTPA distinguished the schwannoma from the neurofibroma.
authors.affiliation: Department of Radiology, Hôpital Erasme, Université Libre de Bruxelles, Belgium.
authors.forename: S A
authors.initials: SA
authors.lastname: Sintzoff
authors.forename: W O
authors.initials: WO
authors.lastname: Bank
authors.forename: P A
authors.initials: PA
authors.lastname: Gevenois
authors.forename: C
authors.initials: C
authors.lastname: Matos
authors.forename: J
authors.initials: J
authors.lastname: Noterman
authors.forename: J
authors.initials: J
authors.lastname: Flament-Durand
authors.forename: J
authors.initials: J
authors.lastname: Struyven
mesh_terms: D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009442:Neurilemmoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009455:Neurofibroma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D010524:Peripheral Nervous System Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012584:Sciatic Nerve; D014463:Ultrasonography