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KMID : 0363220140520120892
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Korean Journal of Dermatology
2014 Volume.52 No. 12 p.892 ~ p.894
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A Case of Congenital Mucinous Nevus on the Back
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Joo Hong-Jin
Yoo Hyun-Ju
Kim Jung-Eun
Kang Hoon
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Abstract
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Mucinous nevus is a rare entity classified as either cutaneous mucinosis or connective tissue nevi. Clinically, grouped papules or plaques grow to form a verrucous or nevoid feature usually on the trunk. It can be present since birth or early childhood. Histologically, it consists of mucin deposits localized in the superficial dermis with or without epidermal changes. An 18-year-old boy presented with asymptomatic multiple grouped brown papules and coalescent plaques on his lower back that had been present since birth. Histological examination showed a band-like mucin deposit in the papillary dermis. To our knowledge, there have been only few reports of mucinous nevus in the literature. Here, we report a case of mucinous nevus present since birth, including a review of relevant literature.
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KEYWORD
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Connective tissue nevus, Mucin, Mucinous, Nevus
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