Pigmentation Disorders

Article

Diltiazem-Induced Hyperpigmentation

A healthy-appearing 66-year-old black woman presented with a 5-year history of facial hyperpigmentation that was unresponsive to topical sunscreen...

Case Reports

Lichen Planus Actinicus

Lichen planus actinicus is a photodistributed variant of lichen planus that most often occurs in individuals with dark complexions. Sunlight seems...

Pediatric Dermatology

Carotenemia

Carotenemia is a common benign pediatric condition of yellowing of the skin and elevated beta-carotene levels in the blood. The condition is...

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