Korean J Dermatol.  2007 Feb;45(2):215-217.

A Case of Acantholytic Acanthoma

Affiliations
  • 1Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea. dhshin@med.yu.ac.kr

Abstract

Acantholytic acanthoma is a benign neoplasm of the epidermal keratinocytes. It presents as a solitary, asympomatic, keratotic papule or nodule. The histopathologic features are outstanding acantholysis throughout the malpighian layer, hyperkeratosis, papillomatosis, and acanthosis. It is usually seen in older men, most commonly on the trunk. It has a tendency to be diagnosed clinically as a keratosis. Only 4 cases of acantholytic acanthoma have been reported in Korea. We report a case of acantholytic acanthoma in a 70-year-old man who presented with keratotic papules on his back.

Keyword

Acantholytic acanthoma

MeSH Terms

Acantholysis
Acanthoma*
Aged
Humans
Keratinocytes
Keratosis
Korea
Male
Papilloma
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