Unlabelled: Dematiaceous fungi are the etiological agents of phaeohyphomycosis. Diverse presentations of infectious syndromes are seen, ranging from local infections after trauma to widely disseminated infection in immunocompromised patients. Fonsecaea pedrosoi species have been reported to cause an increasing number of infections, particularly in severely immunocompromised patients. Colonization of normal skin has been reported. We present a case of F. pedrosoi osteomyelitis in an immunocompetent patient. A high level of suspicion and routine fungal cultures are required to identify these cases. Tissue culture and pathologic examination are necessary for definitive diagnosis and for distinguishing infection from colonization. Therapy includes antifungal drugs (itraconazole) and aggressive surgical debridement, and, even when these modalities are readily implemented, the outcome may not be optimal because of the angioinvasive character of the organism.
Level Of Clinical Evidence: 4.
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http://dx.doi.org/10.1053/j.jfas.2009.05.010 | DOI Listing |
J Fungi (Basel)
August 2024
Laboratório de Micoses Superficiais e Sistêmicas, Seção de Bacteriologia e Micologia, Instituto Evandro Chagas, Ananindeua 67030-000, Brazil.
Braz J Microbiol
July 2024
Laboratório de Taxonomia, Bioquímica e Bioprospecção de Fungos (LTBBF), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, 21040-900, Brazil.
J Fungi (Basel)
February 2024
Department of Dermatology, Andrée Rosemon Hospital, 97306 Cayenne, French Guiana.
Med Mycol
March 2024
Mycology Laboratory, National Institute of Infectious Diseases Evandro Chagas, INI/Fiocruz, Rio de Janeiro, Brazil.
J Fungi (Basel)
February 2024
Laboratório de Micoses Superficiais e Sistêmicas, Seção de Bacteriologia e Micologia, Instituto Evandro Chagas, Ananindeua 67030-000, Brazil.
Chromoblastomycosis (CBM) and phaeohyphomycosis (FEO) are infections caused by melanized filamentous fungal agents, primarily found in tropical and subtropical regions. Both infections pose significant challenges for the correct identification of the causative agent due to their morphological similarity, making conventional methods of morphological analysis highly subjective. Therefore, molecular techniques are necessary for the precise determination of these species.
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