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目的：介绍伽玛刀治疗三叉神经痛３０例。方法：采用１．５ＴＭＲ影像、Ｇａｍｍａ－Ｐｌａｎ定位和治疗计划，γ－刀（ＬＥＫＳＥＬＬ）治疗。治疗靶点在三叉神经感觉根桥脑进入区，用４ｍｍ准直器，最大剂量７２～８０Ｇｙ，５０％等剂量线限定靶点；颅底肿瘤１２～１５Ｇｙ治疗。结果：随访３～２４个月。疼痛１００％缓解占６０％，疼痛缓解＞９０％占２３．３％，疼痛缓解＞５０％占６．３３％，总有效率８９．７％，２例无效，１例５个月后复发。无效和复发病人经再次治疗后疼痛１００％缓解。全组病人无任何并发症。结论：伽玛刀是治疗三叉神经痛一种安全和有效的方法
Objective: To introduce gamma knife treatment of trigeminal neuralgia in 30 cases. Methods: 1.5T MR imaging, Gamma-Plan positioning and treatment planning, γ-knife (LEKSELL) treatment. Treatment targets in the trigeminal nerve root pontine brain into the area, with 4mm collimator, the maximum dose of 72 ~ 80Gy, 50% of the dose line to determine the target; skull base tumors 12 ~ 15Gy treatment. Results: Followed up for 3 to 24 months. 60% pain relief, 90% pain relief, 23.3% pain relief, 50%, 6.33%, the total effective rate of 89.7%, 2 cases of ineffective, 1 case of recurrence after 5 months. Infective and relapsed patients after treatment of pain 100% ease. All patients without any complications. Conclusion: Gamma knife is a safe and effective method to treat trigeminal neuralgia