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General Surgery · Hepatobiliary and pancreatic surgery: autoimmune pancreatitis
Sample itemA 60-year-old man has obstructive jaundice, weight loss and diffuse sausage-shaped pancreatic enlargement on CT with a featureless duct. Serum IgG4 is raised, and cholangiography shows multiple bile duct strictures. Which treatment is most appropriate?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Oral corticosteroids
Type 1 autoimmune pancreatitis is an IgG4-related disease that mimics pancreatic cancer. Diffuse enlargement, raised IgG4 and multiple strictures point to it, and it responds dramatically to corticosteroids. Biopsy or a trial of steroids helps avoid unnecessary resection.
Option by option
A. Oral corticosteroids (correct)
Correct. A brisk response to steroids is characteristic and often confirms the diagnosis.
B. Gemcitabine chemotherapy
Chemotherapy treats pancreatic adenocarcinoma, which is not the diagnosis.
C. Endoscopic stenting alone
Stenting relieves jaundice transiently but does not treat the inflammatory process.
D. Pancreaticoduodenectomy
Resection is for confirmed malignancy and would be unnecessary here.
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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