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Ophthalmology · Lid disease: chalazion
Sample itemA patient has a painless firm nodule within the upper eyelid that has persisted for weeks. What is the most likely diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Chalazion
A chalazion is a chronic lipogranulomatous inflammation from blockage of a meibomian gland, producing a painless firm lid nodule. Recurrent atypical lesions need further assessment.
Option by option
A. Acute angle-closure glaucoma
Angle closure causes painful red eye and visual symptoms, not a localized lid nodule.
B. Orbital cellulitis
Orbital cellulitis causes painful swollen lids with systemic or orbital signs.
C. Chalazion (correct)
Correct. Persistent painless meibomian-gland swelling is typical.
D. Hordeolum
A hordeolum is generally acute and painful.
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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