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目的探讨多层螺旋CT血管成像(MSCTA)在下肢动脉疾病诊断中的应用价值。方法对38例下肢动脉疾病的患者三维后处理图像并结合原始图像进行综合分析。结果 38例中动脉硬化闭塞症31例,血栓闭塞性脉管炎2例,外伤性动脉瘤3例,多发性大动脉炎1例,动静脉瘘1例。其中9例行X线数字减影血管造影(DSA)检查,均与MSCTA一致。结论下肢动脉MSCTA检查可清楚的观察下肢动脉的血管形态,下肢动脉的狭窄程度及闭塞情况,且能观察下肢动脉的周围组织情况,是一种安全、简便、准确、无创伤的检查方法,是下肢动脉疾病较理想的影像学检查手段。
Objective To investigate the value of multi-slice spiral CT angiography (MSCTA) in the diagnosis of lower extremity arterial disease. Methods Three-dimensional post-processing images of 38 patients with arterial disease of the lower extremities were analyzed and combined with the original images. Results 38 cases of arteriosclerosis obliterans in 31 cases, 2 cases of thromboangiitis obliterans, traumatic aneurysm in 3 cases, 1 case of multiple arteritis, arteriovenous fistula in 1 case. Nine of them underwent X-ray digital subtraction angiography (DSA) examination, which were consistent with MSCTA. Conclusion MSCTA examination of lower extremity artery can clearly observe the morphology of lower extremity arteries, the degree of stenosis and occlusion of lower extremity arteries, and can observe the surrounding tissue of lower extremity arteries. It is a safe, simple, accurate and noninvasive examination method. Lower extremity arterial disease is the ideal imaging examination means.