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  • Title: Trichosporon inkin as an Emergent Pathogen in Patients With Severe Pemphigus.
    Author: Nobrega de Almeida Júnior J, Buccheri de Oliveira R, Duarte A, Lopes Motta A, Rossi F, Sachiko Yamamoto de Figueiredo D, Barbaro Del Negro GM, Aoki V, Wakisaka Maruta C, Giuli Santi C, Benard G.
    Journal: JAMA Dermatol; 2015 Jun; 151(6):642-5. PubMed ID: 25785367.
    Abstract:
    IMPORTANCE: To our knowledge, these are the first reports of bloodstream infections by Trichosporon inkin in patients with pemphigus. OBSERVATIONS: Trichosporon inkin, a novel organism causing bloodstream infection, was detected in 2 patients with pemphigus. An elderly man with pemphigus foliaceus died despite treatment with liposomal amphotericin B, 3 mg/kg/d, and a young girl with pemphigus vulgaris responded to treatment with voriconazole, 8 mg/kg/d, for 24 days. One of the T inkin isolates had a minimal inhibitory concentration of 2 mg/L against amphotericin B, suggesting resistance to the drug. CONCLUSIONS AND RELEVANCE: Delayed suspicion of invasive infection by T inkin may result in a poor outcome in patients with severe forms of pemphigus. This opportunistic infection is highly refractory to conventional potent antifungal treatment.
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