儿童颅内肿瘤以幕下多见，幕下肿瘤则位于第四脑室、小脑蚓部及小脑半球。现收集了3例经手术、病理证实且资料完整的小脑囊性占位，分析如下：临床资料3例均为男性，7～12岁，1例哈族，2例汉族，均以不明原因头痛、头晕、行走不稳伴呕吐求诊。实验室检查无异常，3例均无明确的 Children with intracranial tumors more common under the screen, the screen under the tumor is located in the fourth ventricle, cerebellar vermis and cerebellar hemispheres. Now collected in 3 cases of surgery, pathology confirmed and complete cerebrum cystic mass, the analysis is as follows: Clinical data of 3 cases were male, 7 to 12 years old, 1 case of Kazakh, 2 cases of Han, all with unexplained headache , Dizziness, unstable walking with vomiting. No abnormal laboratory tests, 3 cases were not clear