期刊文献+

应用电子射野影像系统测量宫颈癌放射治疗摆位误差(附36例报告) 被引量:8

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摘要 目的应用电子射野影像系统(EPID)测量宫颈癌调强放射治疗的摆位误差,探讨其临床应用价值。方法对2011年10月至2012年2月,我院收治的36例宫颈癌患者放疗过程中,每周通过EPID测量一次摆位误差的资料作回顾性分析。结果共拍摄350张正侧位验证片,获得350组摆位误差值。其中89%的误差值≤5mm,98.2%的摆位误差值≤3mm。测得在X、Y、Z轴方向的MPTV值各为:2.58mm、3.80mm、4.34mm。结论 EPID在测量宫颈癌放射治疗摆位误差方面具有重要作用,根据其测量的误差值而计算出的扩边值符合临床放射治疗标准。
作者 陈新 刘利彬
机构地区 福建省肿瘤医院
出处 《福建医药杂志》 CAS 2012年第4期131-133,共3页 Fujian Medical Journal
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参考文献7

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共引文献37

同被引文献97

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