亚急性硬化全脑炎（ＳＳＰＥ），认为是由麻疹病毒引起的一种亚急性或慢性神经系统感染［１］，脑电图表现有周期性异常波的出现为其特征，麻疹并发脑炎的频率较高，大约为 ０．４％［２］，病情也较严重，病死率高，脑电图改变也比较明显。可见早期诊疗极为重要。本文收集２１ Subacute sclerosing whole-brain disease (SSPE) is considered to be a subacute or chronic neurological infection caused by measles virus [1]. The appearance of periodic abnormal waves in EEG is characterized by measles-associated encephalitis The frequency is high, about 0.4% [2], the condition is more serious, high mortality, EEG changes are more obvious. Visible early diagnosis and treatment is extremely important. This article collects 21