Abbreviation (ISO4): Chinese Journal of Alzheimer's Disease and Related Disorders
Editor in chief: Jun WANG
Chinese Journal of Alzheimer's Disease and Related Disorders >
A case report of anti-LGI1 antibody encephalitis with rapidly progressing cognitive dysfunction and intractable hyponatremia
Received date: 2020-09-10
Revised date: 2020-09-20
Online published: 2021-03-25
This article reported a case of anti-leucine-rich glioma inactivation 1 protein (LGI1) antibody encephalitis. The patient was a middle-aged male, his clinical manifestations mainly were rapidly progressing cognitive dysfunction and intractable hyponatremia., brain MRIshowed hyperintensity in bilateral hippocampal, anti-LGI1 antibody of serum and cerebrospinal fluidwere both positive, then the diagnosis was anti-LGI1 antibody encephalitis. His cognitive dysfunction was significantly relieved after administration of glucocorticoid immunotherapy. This article analyzed the clinical characteristics of anti-LGI1 antibody encephalitis, and reviews related literature to alert middle-aged patients with sudden cognitive impairment. It was necessary to detect autoimmune encephalitis antibody markers in blood and cerebrospinal fluid, and actively immunize earlytreatment to control disease progression and improve prognosis.
GUO Qiwen , QIU Guozhen , WANG Yin , XU Chunyan , CHEN Chunchun , LIN Yanwei , MENG Xueya , ZHU Feiqi . A case report of anti-LGI1 antibody encephalitis with rapidly progressing cognitive dysfunction and intractable hyponatremia[J]. Chinese Journal of Alzheimer's Disease and Related Disorders, 2021 , 4(1) : 56 -59 . DOI: 10.3969/j.issn.2096-5516.2021.01.010
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