脑炎系指脑实质的炎症。脑炎中绝大多数的病因是病毒,病毒性脑炎的发病机理迄今尚未最后确定,可能为病毒感染或炎性脱髓鞘。为了解病毒性脑炎的临床特点,我们对诊断为病毒性脑炎的2 6例病人的临床资料作一回顾性分析。资料与方法浙江大学医学院附属第二医院神经内科2 0 0 1～2 Encephalitis refers to the inflammation of the brain parenchyma. The etiology of the vast majority of encephalitis is the virus, the pathogenesis of viral encephalitis so far not yet finalized, may be viral infection or inflammatory demyelination. To understand the clinical features of viral encephalitis, we retrospectively analyzed the clinical data of 26 patients diagnosed with viral encephalitis. Materials and Methods Department of Neurology, Second Affiliated Hospital of Zhejiang University, School of Medicine 2 0 0 1 ~ 2