本文报道了临床诊断为散发性脑炎病例100例,对临床资料作扼要分析。本组中80例做过脑电图检查173人次,首次描记的异常率为78.75%,脑电图异常与临床症状及体征之轻重基本一致。对出院时存活的89例进行了信访,获得随访资料者47例,39例复查脑电图,其中28例属正常或基本正常,10例为界限性及轻度异常,1例局灶性异常。所有异常脑电图均较入院时明显好转。 This article reports the clinical diagnosis of sporadic encephalitis in 100 cases, the clinical data for a brief analysis. The group of 80 patients had done 173 electroencephalogram examination, the abnormal rate of the first tracing was 78.75%, EEG abnormalities and clinical symptoms and signs of the same severity. Of the 89 patients who survived the discharge, there were letters and visits, 47 patients got follow-up information and 39 patients were reviewed. Among them, 28 were normal or almost normal, 10 were borderline and mild abnormalities, 1 were focal abnormalities . All abnormal EEG were significantly improved when admitted to hospital.