Author | Michael Chu, BSc

Articles

Congenital Nevomelanocytic Nevus

May 01, 2008

This darkly pigmented lesion on the left arm of a 27-year-old man had been present since birth and had slowly enlarged over the past 2 months. Two days earlier, another physician had diagnosed a wart and treated the lesion with liquid nitrogen, which caused erythema of the surrounding skin.