伽玛刀作为一种针对人体某一部位肿瘤进行照射治疗的一种无创性治疗技术,已被广泛用于临床。CT扫描定位方式与伽玛刀的联合应用更进一步提升了伽码刀治疗的精确度和效果。并使伽码刀治疗并发症的发生率进一步降低。伽玛刀治疗前首先要对患者的肿瘤部位进行CT定位扫描,然后将扫 Gamma Knife has been widely used clinically as a noninvasive therapeutic technique for the irradiation of a certain part of human body. The combination of CT scan positioning with gamma knife further enhances the accuracy and effectiveness of gamma knife treatment. And gamma knife treatment of complications further reduce the incidence. Gamma Knife first to treat the patient’s tumor site CT positioning scan, and then sweep