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目的:研究肝癌APS的16层螺旋CT表现,分析影响16排螺旋CT显示肝癌APS影像征象的因素。方法:分析175例肝癌患者的16层螺旋CT扫描影像表现,对16层螺旋CT双期扫描显示的肿瘤大小、肿瘤位置、有无癌栓、分流位置等征象进行Logistic回归分析。结果:门静脉癌栓的相对危险度为1.05,肿瘤位置的相对危险度为1.60。其他相关征象在本研究中不是16排螺旋CT相关的肝癌APS显示影响因素。结论:影响16排螺旋CT显示肝癌APS影像征象的因素分别为门脉癌栓和肿瘤位置。
Objective: To study the 16-slice spiral CT findings of APS in hepatocellular carcinoma (HCC) and to analyze the factors influencing the APS imaging of HCC with 16-slice spiral CT. Methods: The results of 16-slice spiral CT scans in 175 patients with hepatocellular carcinoma were analyzed. Logistic regression analysis was performed on the tumor size, tumor location, presence or absence of tumor thrombus and shunt location in the double-phase spiral CT scan. Results: The relative risk of portal vein tumor thrombus was 1.05 and the relative risk of tumor location was 1.60. Other relevant signs in this study are not the influencing factors of APS in HCC associated with 16-slice spiral CT. Conclusion: The factors influencing APS imaging of liver cancer by 16-slice spiral CT are portal vein tumor thrombus and tumor location respectively.