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头颈肩面罩固定体位在胸部肿瘤放疗中的应用 被引量:3

Application of Fixed Position of Head-Neck-Shoulder Mask in Radiotherapy of Thoracic Tumor
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摘要 目的探讨头颈肩面罩固定体位在胸部肿瘤放疗中的应用效果。方法 96例胸部肿瘤患者随机分为头颈肩面罩组和真空袋组各48例,分3次拍摄验证片,以数字重建放射影像(DRR)图中心"十"字点为坐标,测量验证片上中心"十"字点,比较分析其在X、Y、Z轴上的偏移。结果两组的中心点平均偏移在Y和Z轴上差异均有统计学意义(P<0.05),在X轴上差异无统计学意义(P>0.05)。结论与真空袋相比,胸部肿瘤放疗用头颈肩面罩固定体位能够减少摆位误差,提高体位精准度,且步骤简单易行,值得临床推广。 Objective To explore the application effect of fixed position of head-neck-shoulder mask in radiotherapy of thoracic tumor. Methods 96 cases of patients with thoracic tumor were selected and randomly divided into head-neck-shoulder mask group and vacuum bag group, with 48 cases in each group. The verification films were taken 3 times. Take center " 十 " point of digitally reconstructed radiographs(DRR) picture as the reference point, the center " 十 " points of verification films were measured, and the deviation at X,Y and Z axis were analyzed and compared. Results Statistical difference was found in the average deviation of the center point between the two groups Y and Z axis(P〈0.05), but not found on X axis(P〈0.05). Conclusions Compared with the vacuum bag, the fixed position of head-neck-shoulder mask in radiotherapy of thoracic tumor can reduce the setup error, improve the position accuracy, with simple and easy procedure, which is worthy of clinical promotion.
作者 赖德星 李燕红 王建好 刘晓兰 王希成 王新宁 LAI Dexing;LI Yanhong;WANG Jianhao;LIU Xiaolan;WANG Xicheng;WANG Xinning(Department of Radiotherapy,the First Affiliated Hospital of Guangdong Pharmaceutical University,Guangzhou 510080,China)
出处 《临床医学工程》 2018年第7期837-838,共2页 Clinical Medicine & Engineering
关键词 面罩 真空袋 放疗 胸部肿瘤 摆位误差 Mask Vacuum bag Radiotherapy Thoracic tumor Setup error
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