Cytologic analysis of tracheal wash specimens and bronchoalveolar lavage fluid in the diagnosis of mycotic infections in dogs

Eleanor C. Hawkins From the Departments of Veterinary Clinical Sciences (Hawkins) and Veterinary Pathobiology (DeNicola), School of Veterinary Medicine, Purdue University, Lynn Hall, West Lafayette, IN 47907.

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Dennis B. DeNicola From the Departments of Veterinary Clinical Sciences (Hawkins) and Veterinary Pathobiology (DeNicola), School of Veterinary Medicine, Purdue University, Lynn Hall, West Lafayette, IN 47907.

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Summary

Tracheal wash and bronchoalveolar lavage fluid analyses were performed in 9 dogs that had mycotic infections with pulmonary involvement. Characteristic organisms were identified in tracheal wash fluid in 3 of 7 dogs with blastomycosis. Organisms were identified in bronchoalveolar lavage fluid in 5 of 7 dogs with blastomycosis and in one dog with histoplasmosis. Organisms were not found in either fluid in one dog with coccidioidomycosis. These procedures should be considered for dogs with suspected mycotic infections that involve the lungs and that cannot be diagnosed by less invasive means.

Summary

Tracheal wash and bronchoalveolar lavage fluid analyses were performed in 9 dogs that had mycotic infections with pulmonary involvement. Characteristic organisms were identified in tracheal wash fluid in 3 of 7 dogs with blastomycosis. Organisms were identified in bronchoalveolar lavage fluid in 5 of 7 dogs with blastomycosis and in one dog with histoplasmosis. Organisms were not found in either fluid in one dog with coccidioidomycosis. These procedures should be considered for dogs with suspected mycotic infections that involve the lungs and that cannot be diagnosed by less invasive means.

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