Objective To investigate the anatomy and variation of the main branches of celiac artery with MSCT-CTA.Meth-ods 200 patients in our hospital time from Oct .2014 to Feb.201 were etrospectively analyzed .All the abdomen arteries were scanned with 64-row CT of PHILIPS brilian.All of the imagings were processed in 3D of MIP, VR and MPR, and then, meas-ured, analyzed, and evaluated by the two experienced physicians .Results In 200 cases, the main length of celiac artery was 1.96 cm.The variation in its branches was found in 39 cases.In general, LG was 7.6%, CHA was 12.8%, PA was 7.6%, LHA was 63.9%, RHA was 7.6%, and PDA was 5.1%.Conclusion Most of locations of celiac arteries were regularity and the variation was seldom .Therefore, we must master the normal rule and the variation , and then,evaluate the blood supply on he-patic and gastrointestinal diseases .The technological processes should be simplified and clear for both interventional doctors and surgeons .%目的：应用64排螺旋CT技术探讨腹腔动脉（ Celiac Artery 简称CA）的主要分支血管的大小和位置的变异，了解其对供血器官疾病的影响。方法回顾性分析我院2014年10月～2015年2月200例患者，应用Philips brilian64层螺旋CT行腹主动脉CTA扫描。经MIP、VR及MPR后等三维处理，所得图像显示经两名主治以上医师进行测量、统计。结果200例患者中，腹腔动脉平均长度约1．96cm，其分支变异39例。变异血管中，胃左动脉变异3例，占7．6％，肝总动脉变异5例，占12．8％；脾动脉变异3例，占7．6％；肝左动脉变异23占63．9％。肝右动脉变异3例，占7．6％；胰背动脉变异2例，占5．1％。结论腹腔动脉分支开口大部分存在规律性，少数会发生变异，掌握正常规律及变异，术前可作肝-胃肠病变供血情况作出评估，简化血管介入科医师插管流程及清晰临床手术医生的思路。
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