Korean J Dermatol.  2011 Jul;49(7):641-644.

Unilateral Acanthosis Nigricans on Non-flexural Area

Affiliations
  • 1Department of Dermatology, Wonkwang University School of Medicine, Iksan, Korea. sdpark@wonkwang.or.kr
  • 2The Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.

Abstract

Unilateral acanthosis nigricans (AN) is an exceedingly rare disorder, probably viewed as a nevoid disorder and sometimes called nevoid AN, which is characterized by hyperkeratosis, papillomatosis and moderate acanthosis. The lesions of unilateral AN are distributed unilaterally and morphologic features are similar to other forms of AN. It is not associated with a syndrome, endocrinopathy, drugs or cancers. Here we describe a case of unilateral AN in a 16 year-old Korean man who presented with a broad ashy brown hyperpigmented, confluent hyperkeratotic plaque on the right posterior thigh.

Keyword

Non-flexural area; Unilateral acanthosis nigricans

MeSH Terms

Acanthosis Nigricans
Papilloma
Thigh
Full Text Links
  • KJD
Actions
Cited
CITED
export Copy
Close
Share
  • Twitter
  • Facebook
Similar articles
Copyright © 2024 by Korean Association of Medical Journal Editors. All rights reserved.     E-mail: koreamed@kamje.or.kr