散发性脑炎不是一个独立的疾病,是特指国内经常报道的一组无明显地区性、季节性的急性脑病。它包括病毒性脑炎和急性脱髓鞘脑病两大类。由于临床上难以鉴别,国内称为散发性脑炎[1,2],我科自1994年12月～1999年9月共收治该病146例,现就诊断治疗分析如下。1　临床资料1.1　一般资 Sporadic encephalitis is not an independent disease, especially refers to a group of frequently reported regional no obvious, seasonal acute encephalopathy. It includes two categories of viral encephalitis and acute demyelinating encephalopathy. Because clinically difficult to identify, known as domestic sporadic encephalitis [1,2], our department from December 1994 to September 1999 were treated 146 cases of the disease, diagnosis and treatment are now analyzed as follows. 1 clinical data 1.1 general funding