256层螺旋CT血管显像评价胰腺动脉的价值:正常及变异表现  

Value of 256-slice Spiral CT Angiography for the Assessment of Pancreatic Arterial: Normal and Variant Appearances

作　　者：杨帆 

机构地区：[1]四川医科大学附属第一医院,四川泸州646000

出　　处：《中国医学创新》2016年第5期18-21,共4页Medical Innovation of China

摘　　要：目的:观察256层螺旋CT血管成像技术对胰腺直接供血动脉的显示情况,了解胰腺直接供血动脉的正常解剖及变异,并探讨其临床意义。方法:回顾性分析80例非胰腺病变行腹部CT血管成像的患者的图像,观察胰腺直接供血动脉显示情况并记录显示率,分析胰腺直接供血动脉起源及变异发生情况。结果:80例患者胰腺直接供血动脉的显示例数及显示率分别为胰十二指肠上前动脉80例(100%),胰十二指肠上后动脉74例(92.5%),胰十二指肠下前动脉77例(96.3%),胰十二指肠下后动脉73例(91.3%),胰背动脉72例(90.0%),胰横动脉显示58例(72.5%),胰大动脉69例(86.3%),胰尾动脉38例(47.5%);胰头动脉弓显示57例(70.0%),其中双弓显示34例(42.5%),单弓显示22例(27.5%),单弓中前弓显示18例,后弓显示4例。胰背动脉起源变化较大,72例胰背动脉起自脾动脉近端42例(58.3%),起自肠系膜上动脉19例(26.4%),起自肝总动脉近端8例(11.1%),起自腹腔干3例(4.2%)。胰十二指肠上后动脉74例,起自胃十二指肠动脉72例(97.3%),起自肝固有动脉2例(2.7%)。结论:256层螺旋CT血管显像能直观、立体显示胰腺动脉的空间解剖结构与变异,从而为临床诊疗工作提供丰富的影像学信息。Objective： To observe the displays of direct pancreatic supplying arteries with the 256-slice spiral CT angiography, to understand the normal anatomy and variations of direct pancreatic supplying arteries and further to discuss its clinical significance.Method： The images of 80 patients without pancreatic disease on 256-slice spiral CT angiography were retrospectively analyzed.The display situation, frequency of visualization and the incidence of variation of the direct pancreatic supplying arteries were recorded.Result： The display cases and visualization rates of direct pancreatic supplying arteries of the 80 individuals were as the follows ： ASPDA displayed in 80 cases （ 100% ）, PSPDA displayed in 74 cases （ 92.5% ）, AIPDA displayed in 77 cases （ 96.3% ）, PIPDA displayed in 73 cases （ 91.3% ）, DPA displayed in 72 cases （ 90.0% ）, TPA displayed in 58 cases （ 72.5% ）, PMA displayed in 69 cases （ 86.3% ）, CPA displayed in 38 cases （ 47.5% ） and 57 cases （ 70.0% ） of arterial arcades of pancreatic head were displayed.Among the arterial arcades of pancreatic head, 34 cases （ 42.5% ） of the double arches were displayed, 22 cases （ 27.5% ） of the single arch were displayed.Among the single arch, 18 front arches and 4 back arches were displayed.There were greater changes of the origins of DPA.Of all 72 cases of DPA, 42 cases （58.3%） were starting from proximal of SA, 19 cases （ 26.4% ） were from SMA, 8 cases （ 11.1% ） were from proximal of CHA, 3 cases （ 4.2% ） were from CA.Besides, among the 74 cases of PSPDA, 72 cases （ 97.3% ） were from GDA, and the other 2 cases （ 2.7% ） were from PHA.Conclusion： The 256-slice spiral CT can display the space anatomical structure and variations of pancreatic artery in a direct and three-dimensional way.The accurate displays of 256-slice Spiral CT in pancreatic artery can provide rich angiography information to clinical diagnosis and treatment.

关 键 词：胰腺 动脉 血管造影术 体层摄影术 X线计算机 

分 类 号：R813[医药卫生—放射医学] R576[医药卫生—临床医学]