５例蛛网膜囊肿脑电图分析黎建民１病例报告例１男，１０岁。间断性头痛一年，加重一个月。有时出现＂发呆＂。查体正常。付鼻窦Ｘ线检查正常。ＣＴ及ＭＫＩ示：左中颅凹可见一条形低密度影，边缘清。密度与脑脊液相近。诊断为蛛网膜囊肿。脑电图：基本节律９～１０Ｈｚ，... 5 cases of arachnoid cyst EEG analysis Li Jianmin 1 Case report 1 male, 10 years old. Intermittent headache for one year and one month increase. Sometimes there is “a daze.” Normal examination. The sinus X-ray examination was normal. CT and MKI showed that there was a low-density shadow in the left middle cranial fossa with clear edges. Density and cerebrospinal fluid. The diagnosis was arachnoid cysts. EEG: basic rhythm 9 ~ 10Hz,...