Pigmentation Disorders

Photo Challenge

Pruritic Rash on the Neck and Back

A 43-year-old woman presented with a pruritic rash across the neck and back of 6 months’ duration that progressively worsened. She had a medical...

MD IQ

Dx Across the Skin Color Spectrum

Plantar Hyperpigmentation

Plantar hyperpigmentation is a benign finding in many individuals and is especially prevalent in those with darker skin...

Clinical Review

Exploring Skin Pigmentation Adaptation: A Systematic Review on the Vitamin D Adaptation Hypothesis

Adaptations in genetics of skin pigmentation and vitamin D metabolism due to anthropologic patterns of migration to northern latitudes may help...

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