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

术中皮质电图记录被推荐用于治疗海绵瘤相关癫痫。然而，间隔期发作性癫痫样活动通常能够被记录下来，但并不总是与癫痫区相同。我们手术治疗了一名15岁的女孩，她患有与右侧外侧颞叶放射性海绵状瘤相关的耐药癫痫。皮质电图显示海绵状瘤周围皮层有阵发性活动。此外，记录了持续的亚临床“临界”放电，高频振荡局限于组织学上未硬化的海马。在额外的海马切除术后，获得了良好的癫痫发作结果。术中皮质电图和高频振荡分析显示该患者的非硬化海马具有高致痫性。

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Epilepsy and Behavior Case Reports

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