title: [Arteriovenous malformation-glioma association: study of four cases].
abstract: We reviewed the clinical presentation, imaging and histopathologic findings in 4 patients with the diagnosis of arteriovenous malformation associated with glioma that were operated on from 1991 to 2000 in our institution. Four patients (2 males; age between 15 and 52 years) presented with progressive headache with clinical evidence of intracranial hypertension (in 3) and partial seizures (in 1). CT scan showed a brain tumor without any detectable pathologic vessels. Histologic examination revealed astrocytic tumors associated with arteriovenous malformation. No patient presented the vascular component intermixed with the tumor. The arteriovenous-glioma association is rare and must be identified by a clear demarcation between the malformation and the tumor.
authors.affiliation: Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil. liaraquel.nepi@epm.br
authors.forename: Lia Raquel R
authors.initials: LR
authors.lastname: Borges
authors.forename: Suzana M F
authors.initials: SM
authors.lastname: Malheiros
authors.forename: Maria Paula
authors.initials: MP
authors.lastname: Pelaez
authors.forename: João Norberto
authors.initials: JN
authors.lastname: Stávale
authors.forename: Adrialdo J
authors.initials: AJ
authors.lastname: Santos
authors.forename: Henrique
authors.initials: H
authors.lastname: Carrete
authors.forename: Roberto Gomes
authors.initials: RG
authors.lastname: Nogueira
authors.forename: Fernando A P
authors.initials: FA
authors.lastname: Ferraz
authors.forename: Alberto A
authors.initials: AA
authors.lastname: Gabbai
mesh_terms: D000293:Adolescent; D000328:Adult; D001932:Brain Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D005260:Female; D005910:Glioma / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed