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目的：探讨肝脏移植术前受体64 排螺旋CT 血管成像（computed tomography angiography CTA）在临床的应用价值。方法：对 28 例晚期肝病患者进行64 排增强后动脉期、门脉期及静脉期扫描，使用多种重建方法，由两名以上有经验的医师对肝脏血管进行分析评价，并与18 例移植术后结果比较，探讨64 排CT 血管成像对肝移植术前准备的意义。结果：发现肝动脉变异6 例，腹腔干起始部狭窄2 例，腹腔干动脉瘤1 例，脾动脉瘤2 例，肝脏主要供血动脉直径<3mm 3 例，肝门静脉海绵样变3 例，肝外门静脉主干栓塞5 例，伴有肝内门静脉栓塞3 例，肝外门静脉主干栓塞伴肠系膜上静脉广泛栓塞2 例,下腔静脉癌栓3 例，其中癌栓达右心房2 例。结论：64 排CT 血管成像无创、可靠，通过多种重建方法，能清晰显示肝脏血管，对肝脏移植术前血管做出评价，具有可靠的临床指导意义。

英文摘要:

Objective: To investigate the Clinical application value of 64 slice CT angiography （64SCTA）in patients before surgery of liver transplantation. Methods: 28 cases with serious hepatopathy were evaluated by 64SCTA,Heaptic blood vessel were analysed by reformations of volum rendering (VR), maximum intensity projection （MIP）and Multi-plain （MPR）. More than two experienced doctors made the diagnosis.Results: 6 cases with the hepatic artery variant, 2 cases with celiac artery stenosis, 1 case with celiac artery aneurysm, 2 cases with splenic artery aneurysm, 3 cases with the diameter of main hepatic supply artery no more than 3mm,3 cases with portal vein sponge degeneration, 5 cases with portal vein embolism, 2 cases with thrombosis in portal vein and superior mesenteric vein, 3cases with vena cava embolism, 2 cases with embolism near the right atrium. Cconclusion: Using all kinds of reconstructions to show hepatic vessel, 64SCTA has significantly clinical value in liver transplantation .

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