Anti-N-methyl-D-aspartate receptor(anti-NMDAR)encephalitis is a serious neuropsy-chiatric syndrome.Anti-NMDAR encephalitis is characterized by high incidence rate,long course,se-vere condition,poor specificity,and difficulty in early diagnosis.At present,the diagnosis of anti-NMDAR encephalitis mainly relies on antibody detection and neuroimaging technology.Conventional CT imaging has limitations in the diagnosis of this disease,while magnetic resonance imaging and PET imag-ing techniques provide scientific research methods for the diagnosis and efficacy evaluation of the dis-ease.This study mainly reviews the recent progress in magnetic resonance imaging and positron emission tomography imaging studies of anti-NMDAR encephalitis,with a view to improving clinicians'under-standing of the disease and early diagnosis.
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