Arterioportal shunt (APS) appearance phase, persisting time and characteristics of liver parenchyma staining caused by APS were analyzed dynamically.Small HCC was differentiated from nontumorous APS.

• 对造影图像进行动态播放观察，记录APS出现时相、持续时间和相应区域肝实质染色特点，对非肿瘤性APS和肝癌造影特征作鉴别。