Fig. 1From: Micro-hepatocellular carcinoma with bile duct tumor thrombus mimicking intrahepatic intraductal papillary neoplasm of the bile duct: a case reportAbdominal contrast-enhanced computed tomography. a Tumor showed a heterogeneous contrast effect in the arterial phase, located at the hepatic hilum, slightly cephalad, and dorsal to the right hepatic duct (arrowhead). b Tumor showed prolonged enhancement at the late phase, accompanied partly by a low attenuated component mimicking cyst-like structuresBack to article page