X-刀开辟了非手术治疗颅内病变的新途径。其本质是用一种特殊形式的放疗手段达到如用刀一样效果[1]。关键要“准”。头架定位是重要步骤之一,现将我院X-刀治疗颅内肿瘤的头架定位方法报告如下。一、术前准备:定位前一天嘱病人剪尽头发,清洁头部,并向病人交代定位过程中可能出现 X-knife opened up a new way of non-surgical treatment of intracranial lesions. Its essence is to use a special form of radiotherapy to achieve the same effect as a knife [1]. The key to “accurate.” Head positioning is one of the important steps, now in our hospital X- knife treatment of intracranial tumors of the scaffold positioning method is reported as follows. First, preoperative preparation: Instruct the patient to cut the hair on the day before positioning the head, clean the head, and may explain to the patient positioning process may occur