Embolization of an unusual metastatic site of hepatocellular carcinoma in the humerus

Figure 1 Liver sonography (A) and CT imaging of hepatocellular carcinoma (HCC) (B-D). A: Round but inhomogeneous tumor with hyper- and hypo-echoic appearance in the sonography (diameter 6 cm, arrow); B: Axial multidetector CT contrast image at the arterial phase demonstrated a tumor lesion in the right upper lobe (arrow). Dimension 7 cm × 6.5 cm × 60 cm with hyperdense periphery and hypodense centre (latter areas of necrosis); C: Additional 1.4 cm × 1 cm × 1 cm hyperintense lesion in segment VII of the liver (arrow); D: Partial thrombosis of the portal vein (arrow).