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Arq. neuropsiquiatr ; 56(1): 126-8, mar. 1998. ilus
Artigo em Inglês | LILACS | ID: lil-212456

RESUMO

Insular epilepsy has been rarely reported and its clinical and electrographic feactures are poorly understood. The electrographic study of the insula is difficult since it is hidden from the brain surface by the frontal and temporal lobe. A 48 years-old woman started having simple partial autonomic and complex partial seizures with automatisms and ictal left arm paresis 8 years prior to admission. Seizure's frequency was 1 per week. Pre-operative EEG showed a right temporal lobe focus. Neuropsychological testing disclosed right fronto-temporal dysfunction. MRI showed a right anterior insular cavernous angioma. Intraoperative ECoG obtained after spliting of the sylvian fissure showed independent spiking from the insula and temporal lobe and insular spikes that spread to the temporal lobe. The cavernous angioma and the surrounding gliotic tissue were removed and the temporal lobe was left in place. Post-resection ECoG still disclosed independent temporal and insular spiking with a lower frequency. The patient has been seizure-free since surgery. Insular epilepsy may share many clinical and electroencephalographic features with temporal lobe epilepsy.


Assuntos
Pessoa de Meia-Idade , Feminino , Humanos , Neoplasias Encefálicas/complicações , Epilepsias Parciais/etiologia , Hemangioma Cavernoso/complicações , Neoplasias Encefálicas/diagnóstico , Neoplasias Encefálicas/cirurgia , Eletroencefalografia , Eletrofisiologia , Epilepsias Parciais/diagnóstico , Hemangioma Cavernoso/diagnóstico , Hemangioma Cavernoso/cirurgia , Imageamento por Ressonância Magnética , Testes Neuropsicológicos
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