NCIt synonyms : Linear Papular Ectodermal-Mesodermal Hamartoma; Becker's Nevus; Melanosis Neviformis; Pigmented Hairy Nevus of Becker; Progressive Cribriform and Zosteriform Hyperpigmentation; Pigmented Hairy Epidermal Nevus; Becker s Nevus;
NCIt definition : A benign lesion that is sometimes congenital and consists of an overgrowth of the
epidermis and the presence of melanin-containing cells. It is found mostly in males
and typically develops during childhood or adolescence, becoming darker and more hairy
after puberty.;