多层螺旋CT血管成像显示胃网膜右动脉的临床价值  

The Application of Multi--slice Spiral CT Angiogrpahy in Showing the Right Gastroepipioic Artery

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作  者:郑玉飞[1] 王书智[1] 顾建平[1] 殷信道[1] 卢铃铨[1] 陆青[1] 

机构地区:[1]南京医科大学附属南京第一医院放射影像科,江苏南京210006

出  处:《实用放射学杂志》2010年第1期87-90,共4页Journal of Practical Radiology

基  金:基金项目:南京市医学科技发展项目(YKX0634).

摘  要:目的评价多层螺旋CT血管成像(MSCTA)显示胃网膜右动脉(RGEA)的临床价值。方法回顾性分析80例符合人组标准病例资料的16层螺旋CT腹部增强扫描图像,采用最大密度投影(MIP)、薄层最大密度投影(TSMIP)及容积再现(VR)图像观察RGEA的走行规律、长度类型,并测量血管起始端及远端内径。结果80例RGEA显示率为100%,其中长型RGEA22例(占27.50%),中型RGEA53例(占66.25%),短型RGEA5例(占6.25%)。RGEA平均长度为(19.5±4.5)cm,3型RGEA起始端平均内径分别为(2.69±0.26)mm、(2.70±0.18)mm、(2.68±0.12)mm,3型RGEA远端平均内径分别为(1.76±0.17)mm、(1.75±0.18)mm、(1.74±0.05)mm。3型RGEA的起始端、远端平均内径无统计学意义(P〉0.05)。结论应用MSCTA可以为原位RGEA冠状动脉旁路移植术作术前评估。Objective To evaluate the clinical value of MSCTA in displaying the right gastroepiploic artery(RGEA). Methods 16 -slice spiral CT enhanced images of abdomen in 80 cases were retrospectively reviewed. The course and the length of RGEA were observed and the diameters of RGEA at the origin and the end were also measured on maximum intensity projection(MIP), thin slice maximum intensity projection(TSMIP) and volume rendering(VR) images. Results The displaying rate of RGEA by MSCTA was 100% including long type in 22 cases(27.50 % ), moderate type in 53 cases(66.25 % ) and short type in 5 cases(6.25 %). The average length of RGEAs was (19.5± 4.5) cm. The average diameters of RGEAs at the origin in long, moderate and short type respectively were (2.69±0.26) mm,(2.70±0. 18) mm, (2.68±0.12) mm respectively. The average diameters of RGEAs at the end in these three types were (1.76± 0.17) mm, (1.75 ± 0.18) mm and (1.74 ± 0.05) mm respectively. The average diameters of RGEA in different length were no of statistical significance( P〉0. 05 ). Conclusion RGEA can be evaluated with MSCTA before coronary artery bypass grafting.

关 键 词:胃网膜右动脉 体层摄影术 X线计算机 血管造影术 

分 类 号:R322.12[医药卫生—人体解剖和组织胚胎学] R814.42[医药卫生—基础医学]

 

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