Peer-reviewed veterinary case report
Dog with abdominal infection from nocardia and scedosporium fungi
By J. Lambert et al.Ā·Published in Journal of Veterinary Diagnostic InvestigationĀ·2024Ā·View original on Semantic Scholar ā
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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 female mixed-breed dog was brought to the vet with a swollen belly, tiredness, and low red blood cell counts after having ongoing stomach issues. Tests showed she had a large mass in her abdomen and signs of infection. Unfortunately, surgery revealed widespread disease, and due to the poor outlook, the owner chose to euthanize her. Further testing found two types of bacteria and a fungus that were causing the infections. This case emphasizes the need for advanced testing to identify rare infections in dogs.
People also search for: dog abdominal swelling Ā· dog lethargy causes Ā· mixed-breed dog infection 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 Nocardia yamanashiensis, Nocardioides cavernae, and Nocardioides zeicaulis. Fungal culture, PCR, and sequencing confirmed Scedosporium apiospermum. 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 of Scedosporium apiospermum infections in dogs.
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Search related cases āOriginal publication on Semantic Scholar: https://www.semanticscholar.org/paper/39397659