钡餐摄片评估食管癌大体肿瘤靶区呼吸移动度  

Evaluation of breath-induced target motion degree of gross tumor volume in esophageal carcinoma by taking barium meal film

作　　者：程常海[1] 裴红蕾[1] 李齐林[1] 韦晓波[1] 黄瑾[1] 顾文栋[1] 

机构地区：[1]常州市第一人民医院肿瘤放射治疗科,江苏省213003

出　　处：《江苏医药》2013年第19期2265-2267,共3页Jiangsu Medical Journal

基　　金：江苏省卫生厅面上科研课题(H201350)

摘　　要：目的钡餐摄片观察食管癌大体肿瘤靶区(GTV)呼吸移动度。方法 30例食管癌患者分为三组:A组11例,肿瘤位于颈段和胸上段;B组10例,肿瘤位于胸中段;C组9例,肿瘤位于胸下段。口服钡餐摄片获得平静呼吸状态下吸气相、呼气相GTV图像,通过Eleka-iViewGT工作站比对,得出各组GTV在X、Y、Z轴方向的位移值。结果 GTV图像在X、Y、Z轴方向位移值:A组为(1.09±0.77)mm、(1.37±0.67)mm、(1.52±0.64)mm;B组为(1.84±1.06)mm、(2.11±1.28)mm、(3.07±1.60)mm;C组为(3.00±1.41)mm、(4.50±1.46)mm、(7.46±1.65)mm。A、B组在Y、Z轴方向位移值均小于C组(P<0.01);B组在Z轴方向位移值大于A组(P<0.05)。结论钡餐摄片可动态观察食管癌GTV移动度,临床可用于确定内靶区外扩范围。Objective To observe the breath-induced target motion degree of gross tumor volume（GTV） in esophageal carcinoma by taking barium meal film. Methods Thirty patients with esophageal carcinoma were divided into three groups of A （cervical segment and upper thoracic portion, 10 cases）, B（mid-thoracic portion, 10 cases） and C （lower thoracic portion, 10 cases）. The displacement values of breath-induced target motion on the X, Y and Z axis were obtained by comparing GTV images with Eleka-iViewGT workstation. Results Displacement values of GTV images on the X,Y and Z axis were （1. 092±0.77） mm, （1.37±0.67） mm and （1.52±0.64） mm in group A,（1.84 ±1.06） mm, （2. 11 ± 1.28） mm and （3. 07 ± 1.60） mm in group B, （3.00±1.41） mm, （4. 50±1.46） mm and （7.46±1.65） mm in group C. Displacement values on the Y and Z axis in groups of A and B were less than those in group C（P〈0. 01）. Displacement value on the Z axis in group B was greater than that in group A（P〈0. 05）. Conclusion The breath-induced target motion degree of GTV for esophageal carcinoma can be dynamically observed by X-ray barium meal film, by which extended range of internal target volume may be determined clinically.

关 键 词：食管癌 大体肿瘤靶区 钡餐 

分 类 号：R445[医药卫生—影像医学与核医学]