IVP and CT scanning were performed in all cases, 3D reconstruction was used in 3 cases, retrograde pyelography in 3cases, MRI in 1 case.

• 8例患者均行IVP和CT检查,其中3例做了输尿管三维重建,3例做了逆行肾盂造影检查,1例做了MRI检查。