Abstract: Objectiv To investigate the value of multi-slice spiral CT portography （MSCTP） in the evaluation of liver functions in patients with liver cirrhosis. Methods A total of 62 patients with liver cirrhosis and 62 healthy persons in the same period were recruited in this study between August 2015 and September 2017. All the individuals underwent MSCTP and the diameters of splenic vein（SPV）,intra-hepatic left portal vein （IHLPV）,main portal vein （MPV） and intra-hepatic right portal vein （IHRPV） were calculated in the two groups. The above indexes and left gastric vein（LGV） and the section number of esophageal varices in patients with different Child-Pugh class were also compared. Results The diameters of SPV,IHLPV,MPV and IHRPV in patients with liver cirrhosis were （14.4±3.6） mm,（13.5±3.1） mm,（17.9±4.2） mm and （13.8±3.9） mm,significantly greater than [（8.9±1.7）mm,（9.7±2.3） mm,（11.2±2.9） mm and （9.5±2.5） mm,P<0.05] in healthy persons;as the Child-Pugh class deteriorated,the diameters of SPV,IHLPV,MPV and IHRPV increased [（13.2±2.7） mm,（12.1±3.2） mm,（16.4±4.6） mm and（12.3±3.3） mm in patients with Child-Pugh class A,（15.1±3.5） mm,（14.3±3.7） mm,（18.5±4.8） mm and（14.7±3.6） mm in patients with Child-Pugh class B,and（16.3±4.1） mm,（15.8±4.3） mm,（20.8±5.1） mm and（16.1±4.7） mm in with Child-Pugh class C,respectively,P<0.05],and the LGV diameters enlarged,and the number of esophageal varices also increased [（6.4±1.5） mm and（3.8±1.1） in patients with Child-Pugh class A,（9.1±2.2） mm and（7.4±1.6） in with class B,and（9.7±2.6） mm and （7.7±1.8） in with class C,respectively,with the difference between class A and class B or class C statistically significant （P<0.05）. Conclusion MSCTP is of great value in the assessment of liver functions in patients with liver cirrhosis,which warrants further investigation.

Key words: Liver cirrhosis, Multi-slice spiral CT, Portal vein, Liver function class, Evaluation