Peer-reviewed veterinary case report
Fungal mastitis from Blastomyces infection in three dogs
By Ditmyer, Heidi & Craig, Linden·Published in Journal of the American Animal Hospital Association·2011·Department of Pathobiology, United States·View original on PubMed →
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Original publication title: Mycotic mastitis in three dogs due to Blastomyces dermatitidis.
- Species:
- dog
Plain-English summary
Three dogs were diagnosed with a rare fungal infection called blastomycosis, which affected their mammary glands. Initially, the dogs showed signs that made their veterinarians suspect either cancer or bacterial mastitis after they submitted tissue samples for testing. The results revealed a fungal infection caused by Blastomyces dermatitidis, and in two of the dogs, the infection had spread to their lymph nodes and lungs. This case highlights the importance of considering fungal infections in dogs with mammary problems, especially in areas where the fungus is common.
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Abstract
Canine blastomycosis is a common systemic fungal infection within the Ohio and Mississippi River valleys and typically presents as pneumonia, lymphadenitis, or endophthalmitis. This report describes three cases in which mammary tissue samples were submitted to the Department of Pathobiology, University of Tennessee, College of Veterinary Medicine with clinical suspicion of neoplasia or postpartum bacterial mastitis. Pyogranulomatous to granulomatous mastitis and dermatitis with intralesional yeast consistent with Blastomyces dermatitidis were diagnosed. Two of the three dogs also had lymph node and pulmonary involvement. Mycotic mastitis due to Blastomyces dermatitidis is rarely reported and blastomycosis should be considered in the differential diagnosis of dogs with mammary lesions from endemic areas.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21852517/