期刊
EPILEPSY RESEARCH
卷 97, 期 1-2, 页码 208-213出版社
ELSEVIER
DOI: 10.1016/j.eplepsyres.2011.07.004
关键词
Ganglioglioma; Focal cortical dysplasia; Epileptogenicity; Intracranial EEG; Epilepsy surgery
Gangliogliomas are a frequent cause of drug-resistant epilepsies in children. It remains unknown, however, whether gangliogliomas are intrinsically epileptogenic or if associated lesions contribute to their high epileptogenicity, i.e. associated focal cortical dysplasia (FCD). We report on a child operated twice for drug-resistant focal seizures symptomatic of a right temporal lobe lesion. Histological examination of the first, incomplete lesionectomy revealed tumor-associated FCD Type IIIb. The child was not seizure-free, and surface as well as intracerebral recordings were obtained during a second presurgical assessment. Histopathological examination of the second operation revealed a ganglioglioma. Intralesional EEG recordings from the ganglioglioma documented rhythmic bursts of fast activity suggesting that the high epileptogenicity of gangliogliomas is related to intrinsic epileptogenic activity. (C) 2011 Elsevier B.V. All rights reserved.
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