Continuous ictal discharges with high frequency oscillations confined to the non-sclerotic hippocampus in an epileptic patient with radiation-induced cavernoma in the lateral temporal lobe

Epilepsy and Behavior Case Reports Pub Date : 2019-01-01 DOI:10.1016/j.ebcr.2019.01.003

Nobutaka Mukae , Takato Morioka , Michiko Torio , Ayumi Sakata , Satoshi O. Suzuki , Koji Iihara

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引用次数: 3

Abstract

Intraoperative electrocorticography recording is recommended for treating cavernoma-related epilepsy. However, interictal paroxysmal epileptiform activity is generally able to be recorded, but is not always identical to the epileptogenic zone.

We surgically treated a 15-year-old girl with drug-resistant epilepsy associated with radiation-induced cavernoma in the right lateral temporal lobe. Electrocorticography revealed paroxysmal activities in the cortex around the cavernoma. Additionally, continuous subclinical “ictal” discharges with high-frequency oscillations confined to the histologically non-sclerotic hippocampus were recorded. Following additional hippocampectomy, a good seizure outcome was obtained.

Intraoperative electrocorticography and high-frequency oscillation analysis revealed high epileptogenicity in the non-sclerotic hippocampus of this patient.

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伴有辐射诱发的颞叶侧海绵状瘤的癫痫患者非硬化海马的持续高频振荡发作放电

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Epilepsy and Behavior Case Reports

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