Abstract
Infections caused by uncommon fungi such as Chaetomium have increased in the recent years. Chaetomium globosum has been reported from onychomycosis and phaeohyphomycosis. This species often induces superficial infections in immunocompetent patients. The taxonomy of Chaetomium spp. has changed dramatically in the last years. Antifungal treatment is a crucial step for managing these kinds of infections. Therefore, the in vitro activity of eight antifungal drugs against Chaetomium strains was determined and β-tubulin (tub2) sequencing was applied to identify the strains. Chaetomium globosum was the most frequent species in our dataset. Based on the results of susceptibility testing, micafungin had the lowest geometric mean followed by amphotericin B. Fluconazole and caspofungin cannot be considered a proper treatment option for infections caused by Chaetomium and chaetomium-like species.
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