真空袋联合乳腺托架应用固定乳腺癌放疗体位的分析  

Analysis on the Vacuum Bag Combined with Breast Bracket in the Fixation of Breast Cancer Radiotherapy Position

作　　者：赖德星[1] 黄家莲[1] 李燕红[1] 王新宁[1] 

机构地区：[1]广东药学院附属第一医院放疗科,广东广州510080

出　　处：《临床医学工程》2015年第8期978-979,共2页Clinical Medicine & Engineering

摘　　要：目的比较真空袋联合乳腺托架和乳腺托架两种技术固定乳腺癌放疗体位的摆位误差,并分析真空袋联合乳腺托架固定体位的临床价值。方法 58例乳腺癌术后患者随机分为真空袋联合乳腺托架组和乳腺托架组各29例,分别在第1次、第10次和最后1次治疗之前拍摄验证片,测量验证片与数字重建放射影像(DRR)图的中心点在X、Y和Z轴上的平均偏移误差。结果真空袋联合乳腺托架组和乳腺托架组在X、Y和Z轴的平均摆位误差比较,差异有统计学意义(P<0.05)。结论乳腺癌放疗使用真空袋联合乳腺托架技术可进一步提高体位重复性和精确性,具有临床推广价值。Objective To compare the setup errors of vacuum bag combined with breast bracket and simple breast bracket in the fixation of breast cancer radiotherapy position, and to analyze the clinical value of vacuum bag combined with breast bracket in the fixation of position. Methods Fifty-eight breast cancer patients after operation were randomly divided into the combination group（received vacuum bag combined with breast bracket） and breast bracket group, with 29 cases in each group. The films were taken before the first, the tenth and the last treatment, the average offset error at X, Y and Z axis of center point of the film and digitally reconstructed radiographs（DRR） were measured. Results The average setup errors of the combination group and the breast bracket group at X, Y and Z axis had statistical difference（P〈0.05）. Conclusions Vacuum bag combined with breast bracket can further improve the repeatability and accuracy of the position of breast cancer radiotherapy, which has clinical promotional value.

关 键 词：摆位误差 乳腺托架 真空袋 乳腺癌 

分 类 号：R737.9[医药卫生—肿瘤]