Peer-reviewed veterinary case report
Key risk factors for dog mouth cancer are internal, not environmental
By Tipirneni, Yash et al.·Published in Journal of the American Veterinary Medical Association·2025·University of California-Davis, United States·View original on PubMed →
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Original publication title: Understanding canine oral neoplasia: intrinsic rather than extrinsic features represent key risk factors in a 39-year analysis.
- Species:
- dog
Plain-English summary
A 9-year-old dog was diagnosed with oral tumors, which are often found late and can require major surgery and additional treatments like chemotherapy or radiation. The study found that certain breeds are more likely to develop these tumors, and age is a significant risk factor. However, factors like air quality and gum disease did not seem to influence the development of oral neoplasia. Understanding these risks can help veterinarians identify and treat affected dogs earlier, improving outcomes.
People also search for: dog oral tumors symptoms · signs of oral cancer in dogs · treatment for dog mouth tumors · high-risk dog breeds for oral neoplasia
Abstract
OBJECTIVE: Canine oral neoplasia is often detected late in the course of the disease, necessitating radical surgeries frequently combined with adjuvant chemotherapy or radiotherapy for positive outcomes. Although there has been extensive analytical and epidemiologic work on human oral cancer, research in veterinary medicine has been lacking. This study aimed to evaluate the prevalence and risk factors associated with canine oral neoplasia to enhance early detection by improving screening. METHODS: Patient data from 1985 to 2024 from the University of California-Davis Veterinary Teaching Hospital were bulk extracted to determine prevalence as well as the effect of clinical and environmental risk factors, including sex, breed, oral location, air quality, and periodontal disease status. The median air quality index (AQI) data were extrapolated from the Environmental Protection Agency's database. Periodontal disease status was evaluated on patient CT scans. RESULTS: The incidence of oral tumors was 4.59/1,000 patients. The median age upon diagnosis was 9.66 years, and 3 breeds were identified as significantly at risk compared to the general patient population. Air quality index, geographical location, and periodontal disease were not associated with oral neoplasia. Different tumor histologies had distinct oral predilection sites. CONCLUSIONS: Overall, there was a significant correlation between age/breed and oral neoplasms. Tumor locations were significantly different for each pathology. Other risk factors did not play a substantial role in disease. CLINICAL RELEVANCE: These findings can aid veterinarians and researchers in targeting screening and treatment strategies in high-risk dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39642465/