Mixed Infection of Toe Nail Caused by Trichosporon asahii and Rhodotorula mucilaginosa

Nur Fazleen Binti Idris, Guowang Huang, Qianying Jia,Lin Yuan,Yimin Li,Zeng Tu

Mycopathologia(2019)

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摘要
Trichosporon asahii and Rhodotorula mucilaginosa are important fungal species causing disseminated disease in immunocompromised patients. Onychomycosis prevalence rate ranges from 2 to 30%, which were 50% of nail diseases and 30% of superficial mycosis, respectively. Although important, little is known about the co-habitation of T. asahii and R. mucilaginosa in the causation of onychomycosis. Here, we present the co-habitation of T. asahii and R. mucilaginosa as causative agents of onychomycosis in a healthy 41-year-old male in China. Direct microscopic examination, fungal culture and MALDI-TOF MS were employed in isolated pathogens; hence, antifungal susceptibility test was evaluated. T. asahii was sensitive to posaconazole, voriconazole and itraconazole, whereas R. mucilaginosa was sensitive to both 5-flucytosine and amphotericin B. This report highlights the co-habitation of T. asahii and R. mucilaginosa in the causation of onychomycosis and to raise the awareness of this infection among dermatologists.
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关键词
Onychomycosis, Mixed infection, Trichosporon asahii , Rhodotorula mucilaginosa , Morphology
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