Figure 2. Dynamic CT images of a 1.5 cm-diameter well-differentiated HCC in segment II of the liver in a 43-year-old man. (a) The tumour was hypodense in unenhanced scan (arrow), (b) hyperdense in arterial-dominant phase (arrow) and (c) isodense in portal venous phase. (d) Photomicrograph of the needle biopsy specimen with reticulin stain showed a disorganized reticulin framework with irregular thin-trabecular pattern. Original magnification x100.