Fungal melanonychia: ungual phaeohyphomycosis caused by Wangiella dermatitidis

作者: T. MATSUMOTO , T. MATSUDA , A.A. PADHYE , P.G. STANDARD , L. AJELLO

DOI: 10.1111/J.1365-2230.1992.TB00170.X

关键词: Wangiella dermatitidisPathologyPhaeohyphomycosisNail (anatomy)BifonazoleMelanonychiaMycosisHyphaBiologyUngual

摘要: Summary A 51-year-old female Japanese patient developed black pigmentation affecting both big toe-nails. Direct potassium hydroxide examination of the nail tissue demonstrated clusters spherical dematiaceous cells, toruloid hyphae, and septate hyphae. Wangiella dermatitidis was repeatedly isolated from affected toe-nail lesions. This case represents first documented ungula phaeohyphomycosis, ‘fungal melanonychia,’ caused by fungus W. dermatitidis. The successfully treated with a topical solution bifonazole.

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