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目的：探讨Ｘ－刀对颅内肿瘤的治疗作用。方法：观察Ｘ－刀治疗９３例颅内肿瘤患者的近期治疗效果。７１例得到随访，平均随访４．６５月。结果：肿瘤局部控制率９６．３０％，病情稳定好转率８０．３０％。大病灶和小病灶的肿瘤控制率相近，但大病灶术后脑组织反应多而严重，患者的生存质量也差。结论：Ｘ－刀对颅内肿瘤有肯定治疗作用，严格选择病变大小，正确选择限光筒、照射弧和剂量，合理使用低剂量分次治疗是减少并发症，提高疗效的有效措施
Objective: To investigate the therapeutic effect of X-knife on intracranial tumors. Methods: To observe the short-term therapeutic effects of X-knife on 93 patients with intracranial tumors. Seventy-one patients were followed up for an average of 4.65 months. Results: The local control rate of the tumor was 96.30%, and the stable improvement rate of the disease was 80.30%. The tumor control rate of large lesions and small lesions is similar, but the brain tissue response after major lesions is numerous and serious, and the quality of life of patients is also poor. Conclusion: X-knife has a positive therapeutic effect on intracranial tumors. Strict selection of lesion size, correct choice of light-barrel, irradiation arc and dose, reasonable use of low-dose fractionated treatment is an effective measure to reduce complications and improve curative effect.