Dermatology clinic

New symmetrical hyperpigmented patches of skin

ASHOD KHERLOPIAN, Gayle Fischer

Figures

Abstract

Test your diagnostic skills in our regular dermatology quiz. What is the cause of this skin hyperpigmentation?

Article Extract

Case presentation

A 52-year-old man presents with hyperpigmented patches of skin on his upper and lower limbs that have been developing over the previous six months (Figures 1a to c). The hyperpigmentation is symmetrical and diffuse, with black-grey macules involving sun-exposed areas.

Figures