Brigham and Women's Hospital, Department of Radiology

Findings: Case of 75 y/o woman, painless jaundice

Ultrasound examination of the right upper quadrant shows a dilated biliary system (arrow). The right common bile duct measures 11.9 mm in diameter. The common duct is dilated to the level of the ampulla of Vater, where a nonshadowing intraluminal mass (arrow) is visible. The gallbladder contains a small amount of sludge but is otherwise normal. No pancreatic mass is visible.

Computed Tomography

CT examination confirms the presence of biliary dilatation (arrow) to the distal common bile duct (arrow) with a pancreatic duct of top-normal caliber. Again, no mass is apparent. No enlarged lymph nodes are evident. CT shows a 1 cm indeterminate lesion (arrow) in the left lobe of the liver.

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