关于脑炎的分类,目前尚未统一。散发性脑炎是与流行性脑炎相对而言的,它包括了某些已知病毒所引起的原发性脑炎(如单纯疱疹病毒脑炎、腮腺炎病毒脑炎,柯萨奇和Ecbo肠道病毒脑炎等),感染后脑炎及其他尚未明确类型的脑炎。目前国内所报导的大量散发性脑炎,由于条件所限未能加以区别,它实质上是上述各类脑炎的组合。因而各地所报导的资料在临床、预后、病理各方面差异颇大。为能深入的识别本组疾病,在 About the classification of encephalitis, has not yet been unified. Sporadic encephalitis is relative to epidemic encephalitis, which includes the encephalitis caused by certain known viruses (such as herpes simplex virus encephalitis, mumps encephalitis, Coxsackie and Ecbo Enterovirus encephalitis, etc.), post-infection encephalitis and other encephalitis of unknown type. Currently reported a large number of sporadic encephalitis, due to conditions can not be distinguished, it is essentially a combination of the various types of encephalitis. Therefore, the information reported throughout the clinical, prognosis, pathological differences in all aspects. In order to be able to identify this group of diseases in depth