中华放射医学与防护杂志
中華放射醫學與防護雜誌
중화방사의학여방호잡지
Chinese Journal of Radiological Medicine and Protection
2013年
1期
55-57
,共3页
杨瑞杰%王俊杰%许峰%张喜乐
楊瑞傑%王俊傑%許峰%張喜樂
양서걸%왕준걸%허봉%장희악
电子射野影像系统%调强放疗%剂量验证
電子射野影像繫統%調彊放療%劑量驗證
전자사야영상계통%조강방료%제량험증
Electronic portal imaging device%Intensity-modulated radiation therapy%Dosimetric verification
目的 探讨电子射野影像系统(aS1000)用于调强放疗剂量验证的可行性和效率.方法 分别使用美国Varian公司生产的Trilogy直线加速器的aS1000电子射野影像系统和瑞典IBA公司的二维空气电离室矩阵MatriXX及其配套的Multicube模体对10例接受调强放疗的患者进行剂量验证,记录和比较两种方法验证的γ通过率和时间.结果 采用3%和3 mm的标准,aS1000和MatriXX验证的γ通过率分别为95.82%和99.08%,平均时间为12.7和47.8 min.结论 aS1000电子射野影像系统可以作为患者调强放疗的剂量验证工具,比MatriXX更方便快捷.
目的 探討電子射野影像繫統(aS1000)用于調彊放療劑量驗證的可行性和效率.方法 分彆使用美國Varian公司生產的Trilogy直線加速器的aS1000電子射野影像繫統和瑞典IBA公司的二維空氣電離室矩陣MatriXX及其配套的Multicube模體對10例接受調彊放療的患者進行劑量驗證,記錄和比較兩種方法驗證的γ通過率和時間.結果 採用3%和3 mm的標準,aS1000和MatriXX驗證的γ通過率分彆為95.82%和99.08%,平均時間為12.7和47.8 min.結論 aS1000電子射野影像繫統可以作為患者調彊放療的劑量驗證工具,比MatriXX更方便快捷.
목적 탐토전자사야영상계통(aS1000)용우조강방료제량험증적가행성화효솔.방법 분별사용미국Varian공사생산적Trilogy직선가속기적aS1000전자사야영상계통화서전IBA공사적이유공기전리실구진MatriXX급기배투적Multicube모체대10례접수조강방료적환자진행제량험증,기록화비교량충방법험증적γ통과솔화시간.결과 채용3%화3 mm적표준,aS1000화MatriXX험증적γ통과솔분별위95.82%화99.08%,평균시간위12.7화47.8 min.결론 aS1000전자사야영상계통가이작위환자조강방료적제량험증공구,비MatriXX경방편쾌첩.
Objective To investigate the feasibility and efficiency of electronic portal imaging device for dosimetric verification of intensity-modulated radiation therapy.Methods 10 patients treated with intensity-modulated radiation therapy were verified using the electronic portal imaging device of aS1000 from Varian and MatriXX from IBA.The gamma pass rate and time needed was recorded and compared.Results The gamma pass rate at 3%/3 mm was 95.82% (94.77%-96.86%) and 99.08% (98.72%-99.45%) with aS1000 and MatriXX,respectively.The average time needed for dosimetric verification with aS1000 and MatriXX was 12.7 and 47.8 min,respectively.Conclusions The electronic portal imaging device of aS1000 has the potential as a tool for IMRT dosimetric verification.It is more convenient and efficient than MatriXX.