Temporal lobe epilepsy associated with hippocampal sclerosis and a contralateral middle fossa arachnoid cyst

Tadao Kawamura, Takato Morioka, Shunji Nishio, Kimiko Fukui, Ryo Yamasaki, Muneaki Matsuo

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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.

Original languageEnglish
Pages (from-to)60-62
Number of pages3
Issue number1
Publication statusPublished - Jan 1 2002


All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology

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