Figure 2.

a–c. A 58-year-old man with hemobilia after PTBD and biliary stent implantation. Unenhanced abdominal CT image (a) shows a hematoma (black arrow) in the gallbladder. Contrast-enhanced abdominal CT image (b) shows a small pseudoaneurysm (black arrow) near a hematoma within the parenchyma (white arrows), and hepatic parenchymal injury due to PTBD (white arrowheads). Superselective angiogram of the right hepatic artery (c) shows a small pseudoaneurysm in the subsegment VIII artery (white arrow) and an arteriobiliary fistula (black arrow).