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Neuroimaging in the Diagnosis of Epilepsy Hiroshi SHIROZU 1 1Department of Functional Neurosurgery, National Hospital Organization, Nishiniigata Chuo Hospital Keyword: てんかん原性領域 , てんかん原性病変 , 形態画像 , 機能画像 , epileptogenic zone , epileptogenic lesion , structural image , functional image pp.43-57
Published Date 2023/1/10
DOI https://doi.org/10.11477/mf.1436204714
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 Neuroimaging is commonly used for presurgical evaluation in epilepsy surgery. Neuroimaging for epilepsy includes structural and functional neuroimaging. Lesions detected by structural neuroimaging are crucial to determine the indication of epilepsy surgery, as well as to predict seizure outcomes, as patients with MRI-visible lesions are likely to have better seizure outcomes. However, MRI lesions sometimes show very faint findings; therefore, the diagnosis of structural neuroimaging requires sophisticated skills. Moreover, the epilepsy focus should not only involve the MRI-visible lesion, but also the surrounding tissue with abnormal neuronal function. The MRI-lesion, which is almost the same as that epileptogenic lesion, is a part of the epileptogenic zone. Surgical strategy should be conducted by comprehensive evaluation including neuroimaging in addition to other modalities.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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