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目的：总结哑铃型三叉神经鞘瘤各种手术入路的优缺点。方法：回顾性分析我院１９８０年４月至１９９７年６月手术治疗的１８例哑铃型三叉神经鞘瘤病案。结果：１８例肿瘤全部一期全切除，其中１４例采用颞下经小脑幕入路，４例采用颞下经乙状窦前入路。结论：哑铃型三叉神经鞘瘤可用颞下经小脑幕入路或经颞下乙状窦前入路切除，后者显露范围充分，更适于后颅窝部分较大的哑铃型肿瘤
Objective: To summarize the advantages and disadvantages of various surgical approaches to dumbbell-type trigeminal schwannoma. Methods: A retrospective analysis of our hospital from April 1980 to June 1997 surgical treatment of 18 cases of dumbbell-shaped trigeminal schwannoma. Results: Totally 18 cases of total tumor resection, of which 14 cases under the infratemporal approach through the tentorium, 4 cases of inferior temporal sigmoid anterior approach. Conclusion: The dumbbell-type trigeminal schwannoma can be treated by infratemporal approach through the tentorium or the anterior approach of the inferior sigmoid sinus. The latter shows a wide range and is more suitable for dumbbell-shaped tumors with larger posterior fossa