现代肿瘤医学
現代腫瘤醫學
현대종류의학
JOURNAL OF MODERN ONCOLOGY
2014年
10期
2444-2446
,共3页
屈伟强%汪延明%赵惠%赵鹏%石乐乐%聂鲁栋
屈偉彊%汪延明%趙惠%趙鵬%石樂樂%聶魯棟
굴위강%왕연명%조혜%조붕%석악악%섭로동
调强放射治疗%剂量学验证%二维电离室矩阵
調彊放射治療%劑量學驗證%二維電離室矩陣
조강방사치료%제량학험증%이유전리실구진
intensity modulated radiation therapy%dosimetric verification%2D-Array ion chamber
目的：对逆向调强计划进行剂量学验证，保证IMRT计划临床实施的正确性。方法：利用ELEKTA precise直线加速器6MV X线，对pinnacle治疗计划系统设计的调强治疗计划。采用PTW公司的729二维电离室矩阵进行平面剂量的验证。结果：平面剂量验证采用Gamma分析（3%/3mm），结果是计划的测量点通过率均>95%。结论：实际测量的剂量分布与计划计算的剂量分布符合的相当理想，可用于临床治疗。
目的：對逆嚮調彊計劃進行劑量學驗證，保證IMRT計劃臨床實施的正確性。方法：利用ELEKTA precise直線加速器6MV X線，對pinnacle治療計劃繫統設計的調彊治療計劃。採用PTW公司的729二維電離室矩陣進行平麵劑量的驗證。結果：平麵劑量驗證採用Gamma分析（3%/3mm），結果是計劃的測量點通過率均>95%。結論：實際測量的劑量分佈與計劃計算的劑量分佈符閤的相噹理想，可用于臨床治療。
목적：대역향조강계화진행제량학험증，보증IMRT계화림상실시적정학성。방법：이용ELEKTA precise직선가속기6MV X선，대pinnacle치료계화계통설계적조강치료계화。채용PTW공사적729이유전리실구진진행평면제량적험증。결과：평면제량험증채용Gamma분석（3%/3mm），결과시계화적측량점통과솔균>95%。결론：실제측량적제량분포여계화계산적제량분포부합적상당이상，가용우림상치료。
Objective:To research the method of dosimetric verification of the intensity modulated radiation thera-py(IMRT),guarantee the correction of IMRT plans clinical implementation. Methods:The IMRT treatment plans were designed by pinnacle and were implemented in ELEKTA precise with 6MV X-ray. The plans dose distributions were measured using PTW 2D-Array ion chamber in the phantom. Results:The points passed ratio was more than 95% in gamma analysis method(3mm/3%)about the plan dose distribution verification. Conclusion:The method can be used in clinical treatment because the dose distribution of the actual measurement and plan calculation is quite ideal match.
