Figure 2.

Poorly differentiated hepatocellular carcinoma in a 58-year-old woman with hepatitis B cirrhosis. (A) Gray-scale ultrasound shows a slightly hyperechoic mass (arrow) in the liver. (B) The nodule (arrow) shows hyperenhancement at 14 s in the arterial phase of Contrast-Enhanced Ultrasound (CEUS). (C) Early washout is apparent (arrow) at 40 s in the portal venous phase. (D) The nodule (arrow) shows a contrast defect in the Kupffer phase. (E) The arterial phase of Gd-EOB-DTPA-enhanced MRI (EOB-MRI) shows homogeneous hyperenhancement (arrow) in the liver. (F) The hepatobiliary phase of EOB-MRI shows a clear hypointense mass (arrow). (G) Diffusion-weighted imaging (b = 800 s/mm²) shows a clear hyperintense mass (arrow), indicating diffusion restriction.