Myelin oligodendrocyte glycoprotein antibody-associated encephalitis after severe acute respiratory syndrome coronavirus 2 infection: a case report and retrospective case reviews.

Yoonkyung Lee, Seon-Jae Ahn, Han-Sang Lee, Yongmoo Kim, Seolah Lee, Hyeyoung Park, Jangsup Moon, Sang Kun Lee, Kon Chu
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Abstract

Several cases of myelin oligodendrocyte glycoprotein (MOG) antibody-associated encephalitis have been reported after coronavirus disease 2019 (COVID-19). In this case, the patient presented with focal status epilepticus with impaired awareness, auditory hallucinations, and incoherent speech after COVID-19. Brain magnetic resonance imaging revealed no specific findings. Cerebrospinal fluid results showed pleocytosis and MOG antibody testing confirmed anti-MOG antibody with live cell-based fluorescence-activated cell sorting assay. The patient was diagnosed with MOG antibody-associated autoimmune encephalitis and treated with intravenous immunoglobulin, rituximab, and tocilizumab. This case occurred presumably due to auto-antibody production following COVID-19.

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严重急性呼吸综合征冠状病毒2型感染后髓鞘少突胶质细胞糖蛋白抗体相关性脑炎1例报告及回顾性病例回顾
2019冠状病毒病(COVID-19)后报道了几例髓鞘少突胶质细胞糖蛋白(MOG)抗体相关脑炎。本例患者在COVID-19后出现局灶性癫痫持续状态,伴有意识受损、幻听和言语不连贯。脑磁共振成像没有显示具体的发现。脑脊液结果显示细胞增多,MOG抗体检测用活细胞荧光活化细胞分选法证实抗MOG抗体。患者被诊断为MOG抗体相关自身免疫性脑炎,并接受静脉注射免疫球蛋白、利妥昔单抗和托珠单抗治疗。本病例可能是由于COVID-19后自身抗体的产生。
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