Dermatology clinic

A macular, speckled and melanocytic lesion

Andrew Lee, Gayle Fischer



Test your diagnostic skills in our regular dermatology quiz. What is the diagnosis of this large lesion on a teenager’s back?

Article Extract

Case presentation

A 15-year-old boy presents with a large speckled lesion on his back (Figure). It was first noticed as an evenly coloured pale brown macule when he was about 3 years old and has since slowly acquired its speckled appearance. He is otherwise well.