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Archived diagnostic challenge

What’s your diagnosis?

Case #001 · Archive play does not affect the daily streak.

Close-up of sun-exposed skin with numerous small pink-brown annular macules and thin plaques. Several lesions have a sharply raised thread-like peripheral scale and a paler, mildly atrophic center. — Watermarked image sourced from DermNet CC BY-NC-ND 4.0 educational use

Close-up of sun-exposed skin with numerous small pink-brown annular macules and thin plaques. Several lesions have a sharply raised thread-like peripheral scale and a paler, mildly atrophic center. — Watermarked image sourced from DermNet CC BY-NC-ND 4.0 educational use

Stage 1 of 55 points available

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Photograph only

Study the image, then choose the most specific diagnosis. A new clue appears after each incorrect attempt.

Diagnosis

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Dermdle is intended for medical education and is not medical advice or a diagnostic tool.

A daily visual diagnosis challenge designed for dermatology education, with documented sources and an accountable editorial workflow.

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Dermdle is intended for medical education and is not medical advice or a diagnostic tool.