Objective: To explore the MRI presentative characteristics of vir al encephalitis and toevaluate the relationship between the MRI diagnosis of vir al encephalitis and the clinic prognosis.

• 目的:探讨病毒性脑炎MRI影像的表现特点、检查方法的选用,以及病毒性脑炎MRI影像表现与临床预后的关系。