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低分割立体定向放射治疗原发性视神经鞘脑膜瘤的疗效分析
引用本文:穆晓峰,宁健,杨书明,赵水喜,杨远游,赵卫东,程海民,肖利华.低分割立体定向放射治疗原发性视神经鞘脑膜瘤的疗效分析[J].武警医学,2011,22(7):610-612.
作者姓名:穆晓峰  宁健  杨书明  赵水喜  杨远游  赵卫东  程海民  肖利华
作者单位:武警总医院放疗中心,北京,100039;武警总医院眼眶病研究所,北京,100039
摘    要: 目的 评价在4 Gy×10次的剂量分割模式下,采用低分割立体定向放射治疗原发性视神经鞘脑膜瘤的近期疗效.方法 2004-8至2010-3本院收治的15例原发性视神经鞘脑膜瘤患者采用SGS-Ⅰ型超级伽玛刀进行低分割立体定向放射治疗,靶区处方剂量为40 Gy/4 Gy×10次,放疗结束后6个月进行随访,观察患者肿瘤控制率,临床症状改善情况及视力保存率.结果 经过中位时间23个月的随访,肿瘤控制率100%(15例),肿瘤最大径缩小超过50%的患者有4例.突眼症状改善率100%,治疗前后突眼度分别为(17.3±0.8) mm及(14.5±0.3) mm,P<0.01.全组视力保存率为73.3%(11/15),其中改善2例,稳定9例,下降2例,失明2例.有10例出现轻度的治疗相关反应,对症治疗后缓解.结论 原发性视神经鞘脑膜瘤接受处方剂量为40 Gy/4 Gy×10次低分割立体定向治疗,疗效确切,但视力改善率较低,甚至出现失明患者,对于剂量分割模式尚需进一步研究.

关 键 词:低分割立体定向放射治疗  原发性视神经鞘脑膜瘤  治疗效果  伽玛刀  
收稿时间:2011-02-15

Analysis of therapeutic effect of fractionated stereotactic radiotherapy for primary optic nerve sheath meningioma
Mu Xiaofeng,Ning Jian,Yang Shuming,Zhao Shuixi,Yang Yuanyou,Zhao Wei dong,Cheng Haimin,Xiao Lihua.Analysis of therapeutic effect of fractionated stereotactic radiotherapy for primary optic nerve sheath meningioma[J].Medical Journal of the Chinese People's Armed Police Forces,2011,22(7):610-612.
Authors:Mu Xiaofeng  Ning Jian  Yang Shuming  Zhao Shuixi  Yang Yuanyou  Zhao Wei dong  Cheng Haimin  Xiao Lihua
Institution:Mu Xiaofeng~1,Ning Jian~1,Yang Shuming~1,Zhao Shuixi~1,Yang Yuanyou~1,Zhao Wei dong~1 Cheng Haimin~1,and Xiao Li-hua~2. 1.Department of Radiation Oncology,2.Institutes of Orbit Disease,General Hospital of the Chinese People's Armed Police Forces,Beijing 100039,China
Abstract:Objective To assess the efficacy of fractionated stereotactic conformal radiotherapy(SCRT) with target dose of 40Gy using 4Gy/fractionation in patients with primary optic nerve sheath meningioma(ONSM).Methods Between 2004 and 2010, 15 patients(15 eyes) with ONSM were treated by Hyper- SGSI gamma knife treatment system;All patients received SCRT with a median dose of 40 Gy in 10 fractionations.Clinical and radiographic follow- up were performed every 6 months after SCRT therapy,Efficacy of SCRT and improveme...
Keywords:hypofractionated stereotactic conformal radiotherapy  primary optic nerve sheath meningioma  treatment effect  gamma knife  
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