Objective To evaluate the effect of the multislice spiral CT on the disease of renal artery. Materials The enhanced CT images of kidney in 44 patients were reviewed. All the exams used GE Light-speed 16 CT. Three dimensional reconstruction of renal artery was used on the ADW4.2 workstation. Seceral axis of rotations was used to demonstrate the construction of the renal artery and the relationships with tumors. Results It could display the origin,the caliber,the branches and the variation of the renal artery...