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1.
Arq Neuropsiquiatr ; 61(2B): 426-9, 2003 Jun.
Article in Portuguese | MEDLINE | ID: mdl-12894278

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.


Subject(s)
Brain Neoplasms/complications , Glioma/complications , Intracranial Arteriovenous Malformations/complications , Adolescent , Adult , Brain Neoplasms/diagnosis , Brain Neoplasms/surgery , Female , Glioma/diagnosis , Glioma/surgery , Humans , Intracranial Arteriovenous Malformations/diagnosis , Intracranial Arteriovenous Malformations/surgery , Magnetic Resonance Imaging , Male , Middle Aged , Tomography, X-Ray Computed
2.
Arq. neuropsiquiatr ; 61(2B): 426-429, Jun. 2003. ilus
Article in Portuguese | LILACS | ID: lil-342787

ABSTRACT

Entre os pacientes operados no Hospital São Paulo e acompanhados pelo setor de neuro-oncologia no período de 1991 a 2000, avaliamos a apresentaçäo clínica, aspectos de imagem e características histopatológicas de 4 pacientes (2 homens; idade entre 15 e 52 anos) cujo diagnóstico histológico foi malformaçäo vascular associada a glioma. O quadro inicial foi cefaléia progressiva com características de hipertensäo intracraniana (em 3) e crises parciais motoras (em 1). O diagnóstico tomográfico inicial foi processo expansivo, sem que houvesse suspeita de malformaçäo vascular pelo aspecto da imagem em nenhum caso. O exame histológico mostrou neoplasias de linhagem astrocítica associadas a malformações vasculares. Em nenhum paciente o componente vascular esteve localizado na intimidade da neoplasia. A associaçäo de malformaçäo vascular e gliomas é rara e deve ser caracterizada por nítida separaçäo entre a malformaçäo e a neoplasia, independente da vascularizaçäo própria do tumor


Subject(s)
Humans , Adolescent , Adult , Female , Middle Aged , Brain Neoplasms , Glioma , Intracranial Arteriovenous Malformations , Brain Neoplasms , Glioma , Intracranial Arteriovenous Malformations , Magnetic Resonance Imaging , Tomography, X-Ray Computed
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