ArcCheck模体与胶片在鼻咽癌VMAT剂量验证中的比较研究

Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation(2013)

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Abstract
比较研究ArcCheck与胶片在鼻咽癌容积弧形调强(VMAT)验证中的应用,探讨ArcCheck在VMAT剂量验证中的可行性。随机选取5例鼻咽癌病人的VMAT治疗计划,分别用ArcCheck和胶片两种方法进行剂量验证,比较两种方法的验证结果。ArcCheck验证的平均通过率为96.74±2.60,胶片验证的平均通过率是95.95±1.17,利用统计分析t检验,结果表明ArcCheck和胶片验证两种结果在剂量学上没有明显差异。ArcCheck分析软件可以直接获取三维合成的剂量分布,且操作过程较胶片验证简单,可以更为便捷的进行VMAT剂量验证。
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Key words
volumetric modulated arc therapy,film verification,nasopharyngeal carcinoma,arccheck verification
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