Transtracheal aspiration in the diagnosis of pulmonary blastomycosis (17 cases: 2000-2005)

Blastomyces dermatitidis is a common etiologic agent of fungal pneumonia in dogs. Definitive diagnosis is based on cytologic demonstration of the organism in affected tissues. Fluid obtained through transtracheal aspiration has previously been reported to have a low diagnostic yield for B. dermatiti...

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Published inCanadian veterinary journal Vol. 49; no. 1; pp. 53 - 55
Main Authors McMillan, C.J, Taylor, S.M
Format Journal Article
LanguageEnglish
Published Canada Canadian Veterinary Medical Association 2008
Subjects
Animals
Blastomyces - isolation & purification
Blastomyces dermatitidis
blastomycosis
Blastomycosis - diagnosis
Blastomycosis - pathology
Blastomycosis - veterinary
cell biology
Diagnosis, Differential
diagnostic techniques
disease diagnosis
dog diseases
Dog Diseases - diagnosis
Dog Diseases - pathology
Dogs
fungal pneumonia
Lung Diseases, Fungal - diagnosis
Lung Diseases, Fungal - pathology
Lung Diseases, Fungal - veterinary
lungs
pneumonia
Retrospective Studies
Scientific
Suction
Trachea - microbiology
transtracheal aspiration
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Summary:Blastomyces dermatitidis is a common etiologic agent of fungal pneumonia in dogs. Definitive diagnosis is based on cytologic demonstration of the organism in affected tissues. Fluid obtained through transtracheal aspiration has previously been reported to have a low diagnostic yield for B. dermatitidis organisms. This retrospective study identified B. dermatitidis organisms in 76% of samples when transtracheal aspiration was performed in 17 nonsedated dogs with pulmonary blastomycosis. Transtracheal aspiration is a noninvasive and simple procedure that should be considered as an early diagnostic test whenever blastomycosis is a differential diagnosis in dogs with pulmonary disease.
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Dr. McMillan’s current address is Western Veterinary Specialists, 1802–10th Avenue SW, Calgary, Alberta T2T 0E5.
ISSN:0008-5286