A<unk>  is a skin condition characterized by a dark brown to black macule or papule, usually less than 6 mm. It was characterized in 1975.
Pigmented spindle cell nevus
Melanocytic nevus
Eccrine nevus
Connective tissue nevus
Linear verrucous epidermal nevus
Zosteriform speckled lentiginous nevus
Congenital melanocytic nevus
Benign melanocytic nevus