Korean J Dermatol.  2007 Oct;45(10):1105-1108.

A Case of Congenital Melanocytic Nevi with Unusual Cutaneous Manifestation

Affiliations
  • 1Department of Dermatology, College of Medicine, Chung-Ang University, Seoul, Korea. drseo@hanafos.com

Abstract

Congenital melanocytic nevi occur in approximately 1~3% of newborns and are usually classified according to their size. Giant congenital melanocytic nevi are associated with an increased risk of development of melanoma. Thus, careful follow-up is mandatory. Generally congenital melanocytic nevi are round to oval in shape and have a regular, smooth, and well-demarcated border. Histopathologic finding shows junctional nevi, compoud nevi or dermal nevi pattern. We report a case of congenital melanocytic nevi with unusual cutaneous manifestation as an oval shaped patch with an irregular border and speckled pigmentation on the left calf of a 25 year-old female. The histologic findings revealed diffuse infiltration of the dermis by nevomelanocyte.

Keyword

Congenital melanocytic nevi

MeSH Terms

Adult
Dermis
Female
Humans
Infant, Newborn
Melanoma
Nevus
Nevus, Pigmented*
Pigmentation
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