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为证实治疗的效果.作者分析了1965～1985年89例有组织学证实不能手术切除的低恶性脑干星形细胞瘤,其中男49例,女40例,平均年龄22.5岁(2～62岁).按WHO肿瘤分级:Ⅰ级54例(60.7%),Ⅱ级35例(39.3%).肿瘤位于中脑60%,桥脑36%,桥延髓4%.89例均在CT扫描辅助下按Riechert/Mundinger设计的方法作立体定向活检及放射性同位素组织间治疗.其中26例用~(192)Ir,29例用~(125)I者均有较好肿瘤界限,且半径不超过40mm.34例仅作活检者或
To confirm the effect of treatment, the authors analyzed 89 patients with histologically proven low-grade benign brain stem astrocytoma from 1965 to 1985. There were 49 males and 40 females with an average age of 22.5 years (range 2 to 62 years ) According to WHO tumor grade: 54 cases (60.7%) of grade Ⅰ and 35 cases (39.3%) of grade Ⅱ.The tumors were located in 60% of midbrain, 36% of pontine and 4% of medulla oblongata.All 89 cases were assisted by CT scan Stereotaxic biopsy and radioisotope tissue therapy were performed according to the method of Riechert / Mundinger, in which 26 cases with ~ (192) Ir and 29 cases with ~ (125) I had better tumor limits and the radius was less than 40mm. 34 cases were only for biopsy or