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Blastomycosis: report of the first case from Alberta Canada

Sekhon, A S ; Jackson, F L ; Jacobs, H J

Mycopathologia (1975), 1982-01, Vol.79 (2), p.65-69 [Periódico revisado por pares]

Netherlands

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  • Título:
    Blastomycosis: report of the first case from Alberta Canada
  • Autor: Sekhon, A S ; Jackson, F L ; Jacobs, H J
  • Assuntos: Animals ; Antigens, Fungal - analysis ; Blastomyces - immunology ; Blastomyces - isolation & purification ; Blastomyces dermatitidis ; Blastomycosis - diagnosis ; Brain - microbiology ; Canada ; Guinea Pigs ; Humans ; Immunodiffusion ; Lung - microbiology ; Male ; Mice ; Middle Aged
  • É parte de: Mycopathologia (1975), 1982-01, Vol.79 (2), p.65-69
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
    ObjectType-Case Study-2
    ObjectType-Feature-4
    ObjectType-Report-1
    ObjectType-Article-3
  • Descrição: The first known case of laboratory confirmed blastomycosis in Alberta occurred in 1970. The patient, who is believed never to have left Alberta, presented with of headaches, sore neck and impaired intellect. Initially, tuberculous or cryptococcal meningitis was suspected, but laboratory findings did not support the diagnosis. A fungus resembling Blastomyces dermatitidis was isolated from the venticular cerebrospinal fluid and lung at autopsy. A few yeast cells suggestive of B. dermatitidis were seen in lung and brain tissue sections. Initial attempts at in vitro conversion of the mycelial form of the isolate into yeast form on several enriched media were unsuccessful. The fungus gave +/- to ++ reactions B. dermatitidis specific conjugate by the direct fluorescent antibody technique, it was not pathogenic for mice and guinea pigs, and no asexual spores were produced in slide cultures. Further investigation indicated that the mycelial form of the fungus converted into its yeast form when an actively growing inoculum was used, although the yeast cells varied considerably in size. The yeast form produced disseminated infection in mice within 10 days. Exoantigenic analysis demonstrated an 'A' antigen specific for B. dermatitidis, which revealed the identity of this organism as an atypical strain of B. dermatitidis.
  • Editor: Netherlands
  • Idioma: Inglês;Alemão
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