Abstract
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.
