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Cutaneous malasseziasis: four case reports of atypical dermatitis and onychomycosis caused by Malassezia
Author(s) -
Zhao Ying,
Li Li,
Wang Jiajun,
Kang Ke Fei,
Zhang Qiang Qiang
Publication year - 2010
Publication title -
international journal of dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 93
eISSN - 1365-4632
pISSN - 0011-9059
DOI - 10.1111/j.1365-4632.2009.04178.x
Subject(s) - malassezia , pityriasis , dermatology , medicine , fungus , hypha , antifungal , mycosis , microbiology and biotechnology , immunology , biology , botany
Background This study investigates four special cases associated with Malassezia. Methods The special clinical manifestations, mycologic examination, and treatment were reviewed intensively. Results An abundance of Malassezia hyphae were found in the scales of the three cases presenting with erythematous patches and in another case presenting with dystrophic nails. Malassezia globosa was identified and confirmed by culture. Antifungal agents were effective in the treatment of all cases. Conclusions Malassezia is an opportunistic fungus that may induce dermatosis other than classical pityriasis versicolor. Hyphae from the lesions may be induced by a change in the microenvironment of the fungus caused by the local application of corticosteroids.