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目的：探讨立体定向等中心直线加速器放射外科治疗颅内各种疾病的疗效。方法：用立体定向等中心直线加速器放射外科治疗２２６ 例颅内各种疾病。结果：１３４ 例随访１ 个月～３ 年，病变消失３８ 例（２８．４％ ），缩小４５ 例（３３．６％ ），无变化３５ 例（２６．１％ ），增大１１ 例（１１．９％ ）。结论：该技术对颅内各疾病有不同程度的疗效，特别对脑转移瘤治疗效果最为满意。
Objective: To investigate the efficacy of stereotactic center-like linear accelerator radiosurgery for various intracranial diseases. Methods: 226 cases of intracranial diseases were treated by radiosurgery using a stereotactic isocenter linear accelerator. Results: All the 134 cases were followed up for 1 month to 3 years. The lesions disappeared in 38 cases (28.4%), reduced in 45 cases (33.6%), unchanged in 35 cases (26.1%) and increased in 11 cases (11 cases) .9%). Conclusion: This technique has different degrees of efficacy on various intracranial diseases, especially for brain metastases.