Figure 5

CT images in a 48-year-old HBV-positive man with ICC confirmed by surgical resection, AFP 3.79Â ng/ml, CA19-9 163.6 U/ml, and its enhancement pattern was categorised as type IV. Precontrast image (a) showed a solitary tumor (arrow) in the left lobe of the liver; arterial phase (b) showed heterogeneous hyperenhancement; portal phase (c) and delayed phase (d) showed hypoenhancement.