Intraoperative lamina terminalis fenestration was performed in 7 out of 18 patients.Results Overall, 13.6% (18/132) of the patients developed hydrocephalus.

• 结果 脑积水的总体发生率为13.；6%25 (18/132)，7例终板造瘘患者6例术后脑积水得到明显缓解，随访未见相应并发症出现，1例无效。