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Temporal lobe epilepsy associated with hippocampal sclerosis and a contralateral middle fossa arachnoid cyst
Tadao Kawamura1, Takato Morioka, Shunji Nishio
1Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Seizure
|March 13, 2002
Abstract:
We report on a 13-year-old boy with temporal lobe epilepsy associated with left hippocampal sclerosis and a contralateral arachnoid cyst in the middle cranial fossa (ACMCF). Chronic intracranial recording from subdural grid electrodes showed the left medial temporal lobe to be the ictal onset zone. After left anterior temporal lobectomy with hippocampectomy, seizure control was improved. ACMCF was not considered the direct cause of epilepsy; instead the seizures were attributed to hippocampal sclerosis.