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Acta Med Okayama. 2019 Jun;73(3):189-195. doi: 10.18926/AMO/56860.

Anti-N-Methyl-D-Aspartate Receptor Encephalitis in Psychiatry.

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1
Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan.shinjisakamoto1202@gmail.com.

Abstract

Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is a recently-discovered autoimmune disorder in which antibodies target NMDAR in the brain. The number of reported cases of anti-NMDAR encephalitis has increased rapidly. Anti-NMDAR encephalitis can be mistakenly diagnosed as psychiatric disorders because many patients present with prominent psychiatric symptoms and visit psychiatric institutions first. Thus, psychiatrists should cultivate a better understanding of anti-NMDAR encephalitis. In this review, we present the mechanisms, epidemiology, symptoms and clinical course, diagnostic tests, treatment and outcomes of patients with anti-NMDAR encephalitis. Furthermore, we discuss the diversity of clinical spectra of anti-NMDAR encephalitis, and demonstrate a differential diagnosis of psychiatric disease from the perspective of psychiatry.

KEYWORDS:

NMDAR; encephalitis; mood disorder; psychiatric symptom; schizophrenia

PMID:
31235965
DOI:
10.18926/AMO/56860
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Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

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