Korean J Dermatol.  2010 Dec;48(12):1078-1080.

Congenital Melanocytic Nevus Combined with Cystic Change due to Recurrent Folliculitis

Affiliations
  • 1Department of Dermatology, Catholic University of Daegu College of Medicine, Daegu, Korea. g9563009@cu.ac.kr
  • 2Department of Pathology, Catholic University of Daegu College of Medicine, Daegu, Korea.

Abstract

Nevus with cyst is defined as a single lesion in which there is the coexistence of an epidermoid cyst and a melanocytic nevus. Similar clinical and histopathologic changes can be observed when a hair follicle ruptures and subsequent folliculitis with supprative granulomatous reaction occurs beneath a melanocytic nevus. This cystic change due to inflammation is a different pathologic phenomenon from the formation of an epidermal cyst. Hence, it is necessary to differentiate between these two conditions. We report here on a case of congenital melanocytic nevus combined with cystic change due to inflammation in a 39-year-old man.

Keyword

Congenital melanocytic nevus; Cystic change; Folliculitis

MeSH Terms

Adult
Epidermal Cyst
Folliculitis
Hair Follicle
Humans
Inflammation
Nevus
Nevus, Pigmented
Rupture
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