Peer-reviewed veterinary case report
Dog with abdominal infection from nocardia and scedosporium
By Lambert, Jessica Rose et al.·Published in Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2025·College of Veterinary Medicine, United States·View original on PubMed →
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Original publication title: Intra-abdominal nocardiosis and scedosporiosis in a dog: case report and literature review.
- Species:
- dog
Plain-English summary
A 2-year-old mixed-breed dog was brought to the vet with a swollen belly, tiredness, and anemia after having ongoing stomach issues. Tests showed she had a large mass in her abdomen and signs of infection. Despite surgery to explore the abdomen, the situation was serious, and the owner chose to euthanize her due to the poor prognosis. Further examinations revealed she had infections from rare bacteria and fungi. This case emphasizes the need for advanced testing to identify unusual infections in dogs.
People also search for: dog swollen belly causes · dog lethargy and anemia · mixed-breed dog abdominal mass treatment
Abstract
A 2-y-old, intact female, mixed-breed dog was presented to the veterinary hospital with abdominal distension, anemia, and lethargy following a chronic history of nonspecific gastrointestinal signs. CBC and serum biochemistry revealed moderate nonregenerative anemia with neutrophilia, hypoalbuminemia, hyperglobulinemia, hypoglycemia, decreased urea and creatinine, and hypercholesterolemia. Abdominal radiographs and ultrasound revealed a large heterogeneous mesenteric mass and ascites. Abdominocentesis confirmed septic peritonitis with filamentous bacteria. Fine-needle aspiration of the mass yielded pyogranulomatous inflammation and hyphae. An exploratory laparotomy revealed a large cranial abdominal mass with granulomas present throughout the abdominal cavity. Due to the poor prognosis and disseminated disease, the owner elected euthanasia. Postmortem and histologic examinations detected intralesional mycetomas and bacterial colonies within the mesenteric masses. 16S ribosomal RNA gene PCR and sequencing using formalin-fixed, paraffin-embedded sections identified,, and. Fungal culture, PCR, and sequencing confirmed. Our report highlights the importance of molecular methods in conjunction with culture and histologic findings for diagnosing coinfections caused by infrequent etiologic agents. Additionally, we provide a comprehensive literature review ofinfections in dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39397659/