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调强放射治疗的剂量验证 被引量:1

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摘要 目的验证逆向调强治疗计划计算的位置及剂量的准确性。方法:我院从2004年8月开始用Varian CadPlan逆向放射治疗计划系统。通过MED~TEC固体水、美国Sunnyclear MapCheck(Model-1175)、0.6cc电离室、Kodak慢感光胶片等验证后,在Varian2300C/D直线加速器上开展多子野的动态及静态调强适形放射治疗技术。现已治疗了70多例,近期效果良好。射野设置方式一般是5.7,9个均分圆 周角度固定射野,静态调强采用10-12个剂量调强水平,剂量学验证的内容包括调强剂量强度分布,位置准确度、相对及绝对剂量、射野误差等。
出处 《科技资讯》 2009年第5期249-249,共1页 Science & Technology Information
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