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Dermatology · Fungal infection
Sample itemWhich description best fits tinea corporis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Annular scaly lesion with an advancing edge
Tinea corporis often presents as an enlarging annular scaly patch with a more active border and relative central clearing.
Option by option
A. Linear blistering only on sun-exposed skin
Photodistributed linear blisters are not the usual pattern.
B. Deep painful ulcer with exposed bone
Exposed bone suggests severe trauma or deep infection.
C. Annular scaly lesion with an advancing edge (correct)
Correct: annular scale with an active edge is typical.
D. Diffuse blue discoloration after cold exposure
Blue cold-induced change suggests vascular spasm.
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.