EEG Contribution to the Diagnosis of Antibody-Negative Autoimmune Encephalitis : A Case Report

Mito, Mayusa; Sakurai, Kotaro; Nakamura, Yuichi; Nagai, Azusa; Seo, Sho; Tanaka, Keiko; Yabe, Ichiro; Kusumi, Ichiro

EEG Contribution to the Diagnosis of Antibody-Negative Autoimmune Encephalitis : A Case Report

Mito, Mayusa; Sakurai, Kotaro; Nakamura, Yuichi et al.

Case reports in neurology, 2021, 13(3), 739-743

Permalink : https://hdl.handle.net/2115/84768

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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/84768
タイトル	EEG Contribution to the Diagnosis of Antibody-Negative Autoimmune Encephalitis : A Case Report
著者	Mito, Mayusa ; Sakurai, Kotaro ; Nakamura, Yuichi ; Nagai, Azusa ; Seo, Sho ; Tanaka, Keiko ; Yabe, Ichiro ; Kusumi, Ichiro
著者名 Mito, Mayusa
著者名 Sakurai, Kotaro
著者名 Nakamura, Yuichi
著者名 Nagai, Azusa
著者名 Seo, Sho
著者名 Tanaka, Keiko
e-Rad_Researcher 60372273 著者名 Yabe, Ichiro
e-Rad_Researcher 30250426 著者名 Kusumi, Ichiro
言語	英語
キーワード	Autoimmune diseases
	Diagnosis
	Electroencephalography
	Encephalitis
	Seizures
発行日	2021-09
出版者	Karger
収録物名	Case reports in neurology
巻(号)	13(3)
ページ	739-743
抄録	Autoimmune encephalitis (AE) is a group of inflammatory brain diseases that are characterized by prominent neuropsychiatric symptoms. Early therapeutic intervention is important for AE. Therefore, without waiting for autoantibody test results, clinicians must consider the possibility of AE based solely on clinical symptoms and conventional test results. The case described herein is of antibody-negative encephalitis with abnormalities shown only by EEG, which contributed to the diagnosis and treatment. The patient, a 20-year-old woman, showed autonomic seizures in addition to movement disorders, psychiatric symptoms, and cognitive dysfunction, which worsened subacutely. Her seizures and movement disorders were not responsive to antiepileptic medications. Results obtained from MRI and cerebrospinal fluid (CSF) were normal; EEG findings showed repeated spikes in the right temporal area, with changes over time. Based on the clinical course and EEG, along with administered immunotherapy, which resolved seizures, movement disorders, and psychiatric symptoms, we suspected AE. For diagnosis of AE and for evaluating treatment responsiveness, EEG was useful. Results indicate that EEG can assist clinicians even with AE cases for which MRI and CSF findings are normal. (C) 2021 The Author(s). Published by S. Karger AG, Basel.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1159/000519991