Ann Dermatol.  2018 Aug;30(4):465-467. 10.5021/ad.2018.30.4.465.

Mucinous Nevus

Affiliations
  • 1Department of Dermatology, Ewha Womans University College of Medicine, Seoul, Korea. uwon313@ewha.ac.kr

Abstract

Mucinous nevus is an uncommon entity classified as either a cutaneous mucinosis or a connective tissue nevus. The condition presents as grouped papules and coalescent plaques growing in a unilateral or zosteriform manner. The key histopathological feature is a band-like deposition of mucin in the superficial dermis. A 34-year-old male presented with grouped gray-brown papules and confluent plaques exhibiting a zosteriform distribution on the right side of the lower back. The lesions had commenced in childhood. Histological examination revealed mucin deposition in the papillary dermis. Thus, we diagnosed a mucinous nevus. To date, only a few reports of such nevi have been reported in the literature. Therefore we report a rare case of mucinous nevus.

Keyword

Cutaneous; Mucin; Nevus
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