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General Surgery · Biliary: primary sclerosing cholangitis
Sample itemA 32-year-old man with long-standing ulcerative colitis has fatigue, pruritus and a raised alkaline phosphatase. MRCP shows multifocal strictures and dilatations of intrahepatic and extrahepatic bile ducts. Which complication is he at increased risk of developing?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Cholangiocarcinoma
Primary sclerosing cholangitis is a progressive fibrosing inflammation of bile ducts with a beaded appearance on cholangiography, strongly associated with ulcerative colitis. Patients develop cirrhosis and have a markedly increased lifetime risk of cholangiocarcinoma, and also of colorectal cancer. Liver transplantation is the only definitive therapy.
Option by option
A. Cholangiocarcinoma (correct)
Correct. Chronic duct inflammation predisposes to cholangiocarcinoma.
B. Pancreatic pseudocyst
Pseudocyst follows pancreatitis and is not a characteristic complication of sclerosing cholangitis.
C. Gallbladder empyema
Empyema of the gallbladder results from cystic duct obstruction by a stone.
D. Hepatic adenoma
Hepatic adenoma is linked to oral contraceptives and anabolic steroids, not to biliary sclerosis.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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