Peer-reviewed veterinary case report
Chronic vomiting in two Tokyo dogs caused by stomach parasite
By Kato, Daiki et al.·Published in The Journal of veterinary medical science·2015·Department of Veterinary Internal Medicine, Japan·View original on PubMed →
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Original publication title: The first report of the ante-mortem diagnosis of Ollulanus tricuspis infection in two dogs.
- Species:
- dog
Plain-English summary
Two dogs in Tokyo were brought to the vet for chronic vomiting. After examining their stomachs, the vet found a type of small parasite called Ollulanus tricuspis, which is known to infect cats but had only been diagnosed in dogs after death before this. The vet treated one of the dogs with medication to kill the parasites, and the vomiting completely stopped. This case highlights the importance of recognizing this infection in dogs before it becomes severe.
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Abstract
Ollulanus tricuspis is a small nematode parasite of the stomach, and its infection has been reported worldwide in cats but only one report in dogs as post-mortem diagnosis. Two dogs, kept in the Tokyo area, were presented for chronic vomiting. Chronic gastritis was diagnosed histologically, and many nematodes were detected in endoscopically-biopsied gastric samples and in the mucus of vomitus in both dogs. The parasites were small (<1 mm), and their morphological characteristics were consistent with those previously reported for O. tricuspis. The symptoms in one dog completely disappeared after anthelmintic therapy. To our knowledge, this is the first report describing ante-mortem diagnosis of spontaneous gastric O. tricuspis infection in dogs in which infectivity and pathogenicity of the nematode are suggested.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/26050752/