麻疹是严重危害儿童健康的急性呼吸道传染病。1963年起世界各国推广应用麻疹疫苗,使麻疹发病率迅速下降,但近年来有上升趋势。在麻疹流行季节,儿童有发热、卡他症状的,应提高警惕,儿童患麻疹后由于免疫功能受抑制,容易合并喉炎、肺炎、中毒性肝炎,但并发中枢神经系统疾病很少见。本研究报道1例麻疹病毒感染后出现的迟发性的以脱髓鞘病变为主的脑炎,以引起同行的重视,现报道如下。1临床资料患者,男性,13岁;因发作性右侧肢体麻木无力伴口角 Measles is an acute respiratory infection that seriously affects children’s health. Since 1963, measles vaccine has been popularized and spread in various countries in the world, causing the incidence of measles to drop rapidly, but there is an upward trend in recent years. In the measles epidemic season, children with fever, catarrhal symptoms, should be vigilant, children suffering from measles due to immune suppression, easy to merge laryngitis, pneumonia, toxic hepatitis, but complicated by central nervous system diseases are rare. This study reported 1 case of measles virus infection appears delayed demyelinating disease-based encephalitis, to arouse peer attention, are reported below. 1 clinical data patients, men, 13 years of age; due to episodes of numbness in the right limb with mouth angle