关键词:岩斜脑膜瘤;乙状窦;显微手术
【摘 要】 目的: 试图通过改进手术入路而改善巨大岩斜脑膜瘤的手术治疗结果。方法 :采用经颞下-乙状窦前入路切除5例巨大岩斜脑膜瘤。结果 :全切除3例,2例恢复良好,另1例遗留对侧偏瘫和同侧Ⅲ、Ⅴ、Ⅵ脑神经功能障碍;次全切除的1例遗留持久性动眼神经瘫痪;而部分切除的1例则长期昏迷伴对侧偏瘫。结论 :此入路的优点有:(1)到达岩斜区最直接,路径最短;(2)手术野开阔,显露良好;(3)可多视角操作;(4)只需很轻的脑牵拉。肿瘤不能全切除和出现严重并发症的主要原因是肿瘤包裹了基底动脉及其分支以及肿瘤破坏了软脑膜使肿瘤与脑干间失去界面。术前的MRI检查有助于了解肿瘤侵犯脑干的程度和动脉包裹的情况。
SUBTEMPORAL-PRESIGMOIDAL APPROACH FOR GIANT PETROCLIVALMENINGIOMAS
Wang Handong,Shi Jixin,Liu Chengji,et al.
Department of Neurosurgery,Nanjing General Hospital of PLA,Clinical School of MedicalCollege of Nanjing University.Nanjing. 210002
【ABSTRACT】 Objective: To try to improve the outcomeof giant petroclival meningiomas by way of using a new surgical approach.Method :5patients with giant petroclival meningiomas were operated upon withsubtemporal-presigmoidal approach.Results: Of 3 cases with total removal ......
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