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General Medicine · Hepatology: autoimmune hepatitis
Sample itemA 32-year-old woman has fatigue, arthralgia and amenorrhoea. ALT is 480 U/L, serum IgG is markedly raised, ANA is positive at 1:320 and anti-smooth muscle antibody is positive. Biopsy shows interface hepatitis with plasma cells. What is the appropriate treatment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Prednisolone with azathioprine
Autoimmune hepatitis is a female-predominant disease with hypergammaglobulinaemia, ANA or anti-smooth muscle antibodies, and interface hepatitis with plasma cells on biopsy. Induction with prednisolone and maintenance with azathioprine, a steroid-sparing agent, gives remission in most patients. Treatment is generally long term.
Option by option
A. Peginterferon alfa
Interferon can precipitate or worsen autoimmune hepatitis and is contraindicated.
B. Prednisolone with azathioprine (correct)
Correct. Corticosteroid with azathioprine is standard therapy.
C. Ursodeoxycholic acid alone
Ursodeoxycholic acid is for cholestatic disease such as primary biliary cholangitis and does not suppress this immune injury.
D. Entecavir
Entecavir is an antiviral for hepatitis B, which is not present 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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