Pigmentation Disorders

Photo Challenge

Unilateral Vesicular Eruption in a Neonate

A 4-day-old female neonate presented to the dermatology clinic with yellow-red vesicles on an erythematous base in a blaschkoid distribution on...


Skin of Color

Racial Limitations of Fitzpatrick Skin Type

Fitzpatrick skin type (FST) was developed to assess the propensity of the skin to burn during phototherapy, but it also is commonly used by...

Photo Challenge

Streaked Discoloration on the Upper Body

An 18-year-old woman presented to our dermatology clinic with persistent diffuse discoloration on the upper body of more than 5 years’ duration....

Photo Challenge

Violaceous Patches on the Arm

A 55-year-old man presented with red-violet patches on the right arm and chest that had been present since birth. The patches were asymptomatic...