Ectopic hepatocellular carcinoma mimicking a retroperitoneal tumor: A case report

Figure 1 Imaging findings. A: Contrast-enhanced axial computed tomography (CT) scan in arterial phase and venous phase; B: Gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging scan in arterial phase and hepatobiliary phase showing a round and smoothly mass which located from the hepatic portal region of the liver to the dorsal of the pancreatic head (orange circle); C: Positron emission tomography-computed tomography revealed that the mass uptakes strongly (Standardized Uptake Value max: 13.8).