Results: Of the 32 cases, 30 showed clear portographs, while 2 with obscure imaging had thrombosis or spongioid lesion of the portal vein.

• 结果:32例病人中的30例显示了清晰的门静脉图像,2例显示不清者手术证实为门静脉血栓形成或海绵样病变。