Infectious Diseases

Dx Across the Skin Color Spectrum

Erythrasma

A well-demarcated, red-brown plaque with fine scale in the antecubital fossa of an obese Hispanic woman. What's the condition, and what are the...

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Multiple Annular Erythematous Plaques

A 59-year-old man was admitted to the medical ward with multiple annular erythematous plaques and polyarthralgia of several months’ duration. His...

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