伽玛刀治疗原发性三叉神经痛是安全和有效的,虽起效较慢,但对伴有多发硬化的三叉神经痛有较好疗效。对于行微血管减压术、射频神经根阻断术、立体定向术等无效或复发患者采用伽玛刀治疗仍有确切效果。影响伽玛刀治疗效果的因素除了靶点位置、照射剂量、既往治疗史、神经-血管接触等因素外还与等中心点、准直器、光束管道塞子等有关。 Gamma knife treatment of primary trigeminal neuralgia is safe and effective, although the onset of slow, but with multiple sclerosis trigeminal neuralgia have a good effect. For the line of microvascular decompression, radiofrequency nerve root block, stereotactic surgery, or relapse patients with gamma knife treatment is still the exact effect. Factors that affect the therapeutic effect of Gamma Knife are related to isocenter, collimator, beam pipe plug, etc. in addition to the target location, exposure dose, previous treatment history, neuro-vascular exposure and other factors.