64排螺旋CT肠系膜上动脉造影的临床应用价值

目的探讨64排螺旋CT肠系膜上动脉(SMA)造影的临床应用价值。方法回顾性分析32例不明原因腹痛患者进行的64排螺旋CTSMA造影检查,并采用轴位、多平面重建(MPR)、曲面重建(CPR)、最大密度投影(MIP)和容积再现(VR)等多种后处理技术,显示SMA。结果 32例患者5例SMA正常,其中4例肾动脉不同程度狭窄,1例脾动脉局部中度狭窄;27例显示SMA及其分支内圆形或条形充盈缺损,其中1例合并SMA局部夹层,5例合并腹腔干不同程度阻塞,12例合并双肾动脉(或一侧肾动脉)不同程度阻塞,1例脾动脉轻度狭窄,2例腹主动脉瘤附壁血栓形成,2例主动脉夹层动脉瘤,4例伴肠管扩张、肠壁增厚,2例肠壁坏死。结论 64排螺旋CTSMA造影是诊断SMA栓塞性病变的一种无创、准确、快捷、有价值的检查手段,应用方便、经济适用。

64-detector Row Spiral CT Angiography of Superior Mesenteric Artery and its Clinical Application Value

Objective The objective to investigate 64-detector row spiral CT Angiography of superior mesenteric artery(SMA) and its clinical application value.Methods Retrospective analysis of 32 cases of unexplained abdominal pain in patients with 64-detector row spiral CT Angiography of SMA,and using the axial,multiplanar reconstruction(MPR),surface reconstruction(CPR),the maximum intensity projection(MIP) and volume rendering(VRT) and other post processing techniques,display of SMA.Results 32 patients,5 cases of superior mesenteric artery is normal,4 of which were different degrees of renal artery stenosis,1 case of partial splenic artery with moderate stenosis.27 cases show the superior mesenteric artery and its branches filling defects within the circular or strip,of which 1 with partial superior mesenteric artery dissection,5 patients with different degrees of celiac trunk block,12 cases withBilateral renal artery(or the side of the renal artery) different degrees of stenosis,1 case of splenic artery with mild stenosis,2 cases of abdominal aortic aneurysm thrombus formation,2 cases of aortic dissection,4 patients with intestinal expansion,wall thickening,two cases of intestinal necrosis.Conclusion 64-slice spiral CT angiography in the diagnosis of lesions of the SMA embolization as a noninvasive,accurate,fast and valuable means of checking,convenient and affordable.