Ann Dermatol.  1989 Jul;1(2):123-125. 10.5021/ad.1989.1.2.123.

Hairy Blue Nevus

Abstract

A 2-month-old female infant presented with a bluish-black, flat, hairy patch, 1.2cm in diameter, on the posterior aspect of her neck since birth. Histologic sections from the lesion showed numerous diffusely scattered dermal melanocytes throughout the dermis. The histopathologic and clinical findings were not fully oonsistent with any other known dermal melanocytosis. The diagnosis of “hairy blue nevus” was proposed for this unique lesion.

Keyword

Blue nevus; Dermal melanocytosis; Hairy blue nevus
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