Deep-seated dermatophytosis caused by Trichophyton rubrum in patient with Becker muscular dystrophy

Trichophyton rubrum is a common fungal pathogen that usually causes superficial infection limited to epidermis only, so called dermatophytosis. However in immunocompromised patients, dermatophytosis can be exceptionally more invasive with extensive lesions involving deep tissues and generating somet...

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Published inJournal de mycologie médicale Vol. 34; no. 1; p. 101456
Main Authors Ouaaziz, Ilham, Marchand, Antoine, Leducq, Sophie, Mirguet, Christian, Pinieux, Gonzague de, Bailly, Éric, Chesnay, Adélaïde, Desoubeaux, Guillaume
Format Journal Article
LanguageEnglish
Published France Elsevier Masson SAS 01.03.2024
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Summary:Trichophyton rubrum is a common fungal pathogen that usually causes superficial infection limited to epidermis only, so called dermatophytosis. However in immunocompromised patients, dermatophytosis can be exceptionally more invasive with extensive lesions involving deep tissues and generating sometimes systemic course. We report the case of a 43-year-old heart transplanted man, who presented with multiple deep-seated nodules and papules in the inguinal areas and in the buttocks. Involvement of Trichophyton rubrum was confirmed by culture, DNA sequencing and histological examination that showed granulomatous inflammatory infiltrates with the presence of hyphae in the dermis. Antifungal therapy with oral terbinafine for four weeks was successful; in spite of initial remnant atrophic scars, the lesions were completely cleared after four month evolution. Deep-seated invasive dermatophytosis is rare, but should be considered with immunocompromised conditions, especially when history of previous superficial dermatophytosis is present.
ISSN:1156-5233
1773-0449
DOI:10.1016/j.mycmed.2023.101456