Peer-reviewed veterinary case report
Identifying immature endospores in a dog with nasal rhinosporidiosis
By Meier, William A et al.·Published in Veterinary clinical pathology·2006·Department of Veterinary Pathobiology, United States·View original on PubMed →
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Original publication title: Cytologic identification of immature endospores in a dog with rhinosporidiosis.
- Species:
- dog
Plain-English summary
An 8-year-old male Labrador Retriever was brought in for severe sneezing that lasted two months and caused nosebleeds and bloody discharge from both nostrils. The veterinarian found a small growth in the dog's nose, which was surgically removed for further examination. Tests showed the presence of a parasite called Rhinosporidium seeberi, along with some immature forms of the organism that had not been seen before. The dog received treatment for the infection and is expected to recover well after the surgery.
People also search for: dog sneezing and nosebleeds · Labrador Retriever nasal polyp treatment · Rhinosporidium seeberi in dogs
Abstract
An 8-year-old, intact, male Labrador Retriever was presented to the Boren Veterinary Medical Teaching Hospital at Oklahoma State University with a 2-month history of severe sneezing episodes that resulted in epistaxis and bilateral sanguineous discharge. Rhinoscopy revealed a small polypoid mass, and specimens were obtained for histopathology. Microscopic examination of formalin-fixed tissue specimens revealed organisms consistent with Rhinosporidium seeberi. The mass was surgically excised and impression smears were made for cytology examination. Smears revealed high numbers of endospores, typical of those previously described for R seeberi. In addition, numerous smaller structures, presumed to be immature endospores, were noted. The immature endospores were morphologically distinct from mature endospores and have not been described previously. Recognition of immature forms of Rhinosporidium may help prevent misidentification of the organism or misdiagnosis of a dual infection.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/16967425/