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Ophthalmology · Uveitis: juvenile idiopathic arthritis
Sample itemA 4-year-old girl with oligoarticular juvenile idiopathic arthritis has a white quiet eye. Which investigation result puts her at highest risk of chronic anterior uveitis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Positive antinuclear antibody
Young girls with ANA-positive oligoarticular JIA develop an asymptomatic chronic anterior uveitis leading to band keratopathy, synechiae and cataract. Regular slit-lamp screening is therefore needed.
Option by option
A. Positive antinuclear antibody (correct)
Correct. ANA positivity carries the highest uveitis risk.
B. Positive rheumatoid factor
Rheumatoid factor positive polyarticular JIA rarely has uveitis.
C. Raised ESR alone
ESR is nonspecific.
D. Positive HLA-B27 in an adult-onset pattern
HLA-B27 is linked to enthesitis-related arthritis with acute painful uveitis.
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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