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目的：研究经肠系膜上动脉门脉造影ＣＴ（ＣＴＡＰ）在评价肝癌患者的门静脉血流方面是否优于经肠系膜上动脉门脉造影（ＳＭＡ－Ｐ）。方法：２１例肝癌患者在血管内治疗前先后行ＣＴＡＰ及ＳＭＡ－Ｐ，进行对比研究。结果：１３例ＣＴＡＰ与ＳＭＡ－Ｐ评价结果一致；７例评价结果基本一致，其中６例由于碘油重叠或血液层流ＳＭＡ－Ｐ显示欠佳者ＣＴＡＰ都能清晰显示，其中１例段级门脉阻塞，ＣＴＡＰ显示更确切的解剖部位；１例评价结果不一致，门脉高压影响ＳＭＡ－Ｐ对门脉的显示，但ＣＴＡＰ仍能清晰显示。结论：ＣＴＡＰ较ＳＭＡ－Ｐ能更准确地反映肝癌患者的门脉血流。
OBJECTIVE: To investigate whether superior portal arterial angiography CT (CTAP) is superior to superior mesenteric arterial portography (SMA-P) in assessing portal vein blood flow in patients with liver cancer. Methods: Twenty-one patients with liver cancer underwent CTAP and SMA-P before endovascular treatment for comparative study. Results: 13 cases of CTAP and SMA-P evaluation results are consistent; 7 cases of evaluation results are basically the same, of which 6 cases due to lipiodol overlap or blood laminar SMA-P showed poor CTAP can be clearly displayed, including 1 case of grade gate Vessel occlusion, CTAP showed more accurate anatomical site; 1 case of evaluation results were inconsistent, portal hypertension affect the SMA-P display of the portal vein, but CTAP can still clearly show. Conclusion: CTAP can more accurately reflect the portal blood flow of liver cancer patients than SMA-P.