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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 107, No. 7, 2012, pp. 854-858
Bioline Code: oc12184
Full paper language: English
Document type: Report
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 107, No. 7, 2012, pp. 854-858

 en Phaeohyphomycosis: a clinical-epidemiological and diagnostic study of eighteen cases in Rio Grande do Sul, Brazil
Severo, Cecília Bittencourt; de Mattos Oliveira, Flávio; Pilar, Emily Ferreira Salles & Severo, Luiz Carlos

Abstract

The goal of this study was to review 18 cases of phaeohyphomycosis in Rio Grande do Sul. The records of all of the patients with a diagnosis of phaeohyphomycosis between 1995-2010 were reviewed. Twelve of the 18 patients (66.6%) were male. The average age of the patients was 50 years old (range: 16-74 years). Eleven patients (61%) presented with subcutaneous lesions. Seven patients (38.8%) had received a solid organ transplant. In all of the cases, the presence of melanin in the fungal cells was determined by Fontana-Masson staining of tissue sections and documented. Among the 18 patients, a total of 11 different fungal species were isolated. The causative organisms included Exophiala jeanselmei check for this species in other resources , Alternaria check for this species in other resources , Curvularia check for this species in other resources , Cladophialophora check for this species in other resources and Colletotrichum gloeosporioides check for this species in other resources . To our knowledge, this review reports the first case of subcutaneous phaeohyphomycosis caused by C. gloeosporioides in a lung transplant patient. The number of reported cases of phaeohyphomycosis has increased in the last decade. In a number of cases, this increased incidence may be primarily attributed to iatrogenic immunodeficiency.

Keywords
phaeohyphomycosis - solid organ transplants - Exophiala jeanselmei - Alternaria sp. - Curvularia sp. - Colletotrichum gloeosporioides

 
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