Pigmentation Disorders

MD IQ

Photo Challenge

Hyperpigmented Papules on the Tongue of a Child

A 9-year-old Black boy presented to the dermatology clinic for evaluation of dark spots on the tongue. The family first noted these spots 5 months...

Cosmeceutical Critique

Saururus chinensis

Modern research has produced evidence supporting the use of this plant in the dermatologic realm.

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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