Abstract: Objective To explore the value of multi-slice spiral CT angiography(MSCTA)in the preoperative resection evaluation in hepatic carcinoma and biliary tract carcinoma.Methods Forty-two patients with hepatic carcinoma and biliary tract carcinoma were involved in this study.The primitive data of arterial phase and portal vein phase were reconstructed by multiple planar reformation(MPR),maximum intensity projection(MIP),volume rending(VR),shaded surface display(SSD)and curved planar reformation(CPR).The results of preoperative resection evaluation were compared with the surgical results in Kappa inspection.Results The surgical results showed that there were 6 cases with vascular invasion in 42 patients with hepatic and biliary tract carcinoma.MSCTA results showed that there were just 2 cases with vascular invasion.Compared with the surgical results in Kappa inspection(Kappa= 0.644),it showed that preoperative resection evaluation of MSCT in hepatic and biliary tract tumors have good consistency to the surgical results.Conclusion There is strong consistency between the surgical results and preoperative resection evaluation of MSCT in hepatic and biliary tract tumors.It has guiding significance in clinical treatment and postoperative assessment.

Key words: Hepatic and biliary tract tumor, MSCTA, Vascular invasion