fig4

Figure 4. Abdominal ultrasound (A) and with contrast at 23 s (B), 30 s (C), 1 min (D), and 5 min (E). Hypoechoic lesion in right hepatic lobe corresponding to hepatocellular carcinoma with a typical vascular pattern: early uptake in arterial phases (B, C), isoechogenic respect to surrounded liver parenchyma in portal phase (D) and wash-out contrast in late phase (E)