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再谈三维适形放疗时CT模拟定位扫描技术的应用价值 被引量:7

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摘要 目的强调三维适形放疗时CT模拟定位扫描技术的重要性和应用价值。方法做好扫描前的各项准备工作,使用碳纤维底板、网状热塑体膜和三维激光定位系统,CT扫描以螺旋扫描方式为主必要时配合高压注射器同步增强扫描。结果 218例病人均一次顺利完成定位扫描,100%显示三维坐标点,肿瘤区(GTV)显示良好。结论CT模拟定位扫描是三维适形放疗首关核心技术,对勾画靶区、射野设计、治疗时重复摆位乃至放疗效果都起到了决定性的作用。
出处 《中国辐射卫生》 2013年第2期232-233,共2页 Chinese Journal of Radiological Health
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