Melanonychia associated with subungual follicular inclusions: report of three cases | Zendy

Marina Câmara de Oliveira | Zendy; Carlos Baptista Barcauí | Zendy; Elisa de Oliveira Barcaui | Zendy; Juan PiñeiroMaceira | Zendy

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Melanonychia associated with subungual follicular inclusions: report of three cases

Author(s) -

Marina Câmara de Oliveira,

Carlos Baptista Barcauí,

Elisa de Oliveira Barcaui,

Juan PiñeiroMaceira

Publication year - 2020

Publication title -

anais brasileiros de dermatologia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.461

H-Index - 44

eISSN - 1806-4841

pISSN - 0365-0596

DOI - 10.1016/j.abd.2019.03.009

Subject(s) - etiology , dermatology , nail (fastener) , nail plate , medicine , follicular phase , pathology , materials science , psoriasis , metallurgy

Melanonychia is the change in the coloration of the nail plate resulting from the deposition of melanin. Among its causes are melanocytic hyperplasia, melanocytic activation and nail melanoma. Subungual follicular inclusions are histological findings of unknown etiology, possibly related to trauma. We present three cases of melanonychia of different etiologies with subungual follicular inclusions, an association that has not been well described and with an indefinite pathogenesis.

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