作者随访9例经γ刀治疗大腑动静脉畸形(AVM)的儿童患者,年龄9～16岁,男性4例,女性5例,治疗前未行放射外科或脑室内放射治疗。所有病例都有颅内出血,5例出血1次,2例2次,2例3次;γ刀治疗后随访37～137个月。7例病灶于幕上,2例在幕下,病灶直径13～28mm(平均21mm),体积1.1～3.7cm~3(平均2.0cm~3),按 Spetzler 和Martin 分类法将 AVM 分为3级,最常见的为Ⅲ The authors followed up 9 children aged 9-16 years old who were treated with gamma knife in treatment of AVM. There were 4 males and 5 females. Radiotherapy or intraventricular radiotherapy were not performed before treatment. All cases had intracranial hemorrhage, 5 cases of bleeding 1 times, 2 cases 2 times, 2 cases 3 times; γ knife follow-up 37 ~ 137 months. The lesions were on the screen, 2 were under the screen, the lesion diameter was 13 ~ 28mm (average 21mm) and the volume was 1.1 ~ 3.7cm ~ 3 (average 2.0cm ~ 3) .According to the Spetzler and Martin classification, The most common is Ⅲ