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Dermatology · Fungal infection
Sample itemWhat is a classic appearance of tinea corporis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Annular scaly plaque with active edge
Tinea corporis often forms an annular scaly plaque with a more active advancing edge and relative central clearing because dermatophytes spread centrifugally.
Option by option
A. Painless ulcer
A painless ulcer is not the usual dermatophyte presentation.
B. Dermatomal blisters
Dermatomal blisters suggest varicella-zoster infection.
C. Annular scaly plaque with active edge (correct)
Correct: active scaly border with central clearing suggests tinea.
D. Diffuse urticaria
Urticaria produces transient wheals rather than annular scale.
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.