Ｄａｎｄｙ－Ｗａｌｋｅｒ综合征是以后颅窝巨大囊肿，第四脑室扩大，小脑发育不良为病理基础的一种少见疾病。现将我院所见１例报告如下。男，１２岁，说话不清，走路不稳８年就诊。患儿幼年发育迟缓，３岁学走路，４岁出牙，并开始学说话。平时反应缓慢，学习困难，无头... Dandy-Walker syndrome is a rare case of pathological basis for the subsequent huge cranial fossa cyst, enlargement of the fourth ventricle, and poor development of the cerebellum. Now I see a hospital report is as follows. Male, 12 years old, unclear, walk unsteady 8 years treatment. Children with adolescent growth retardation, 3-year-old learn to walk, 4-year-old tooth, and began to learn to speak. Usually slow response, learning difficulties, headless ...