Korean J Dermatol.  2007 Aug;45(8):818-820.

A Case of Combined Epidermolytic Hyperkeratosis and Porokeratosis Type of Epidermal Nevus

Affiliations
  • 1Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea. kkj51818@hanmail.net

Abstract

Epidermal nevus arises from the pluripotential germinative cells in the basal layer of the embryonic epidermis. Histologically, it has a distinctive feature of hyperkeratosis, papillomatosis and acanthosis with elongation of the rete ridges. Epidermal nevus also has other histological variations. We report a case of a 5-year-old male who presented with pruritic linear brownish scaly papules on the right thigh. The lesion showed histological features of combined epidermolytic hyperkeratosis and porokeratosis type of epidermal nevus.

Keyword

Epidermal nevus; Epidermolytic hyperkeratosis; Porokeratosis

MeSH Terms

Child, Preschool
Epidermis
Humans
Hyperkeratosis, Epidermolytic*
Male
Nevus*
Papilloma
Porokeratosis*
Thigh
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