title: Intracerebral Schwannoma--case report.
abstract: A 15-year-old girl presented with a rare intracerebral schwannoma manifesting as epileptic seizure. Computed tomography, magnetic resonance imaging, and cerebral angiography showed a right parietooccipital lobe tumor. The preoperative diagnosis was malignant glioma, but immunohistochemical and ultrastructural examinations showed the tumor was indistinguishable from peripheral schwannoma. Only 29 cases of schwannomas not related to the cranial nerve have been reported, mostly in children and young adults. The origin appears to be ectopic or perivascular elements in the brain. Such intracerebral schwannomas can be classified according to origins into intra-axial, periventricular, dural attachment, and other types.
authors.affiliation: Department of Surgical Neurology, Jichi Medical School, Tochigi, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Haga
authors.forename: H
authors.initials: H
authors.lastname: Shoji
authors.forename: K
authors.initials: K
authors.lastname: Oguro
authors.forename: S
authors.initials: S
authors.lastname: Mori
authors.forename: T
authors.initials: T
authors.lastname: Kawai
authors.forename: S
authors.initials: S
authors.lastname: Shinoda
authors.forename: T
authors.initials: T
authors.lastname: Masuzawa
authors.forename: K
authors.initials: K
authors.lastname: Saito
mesh_terms: D000293:Adolescent; D001932:Brain Neoplasms / Q000150:complications / Q000473:pathology* / Q000601:surgery; D003937:Diagnosis, Differential; D004827:Epilepsy / Q000209:etiology; D005260:Female; D005910:Glioma / Q000473:pathology; D006801:Humans; D009442:Neurilemmoma / Q000150:complications / Q000473:pathology* / Q000601:surgery; D009778:Occipital Lobe / Q000601:surgery; D010296:Parietal Lobe / Q000601:surgery; D010784:Photomicrography