A survey on equine neoplasias over a 15-year period in a veterinary hospital
Keywords:Neoplasia, Horse, Sarcoid, Melanoma, Squamous cells carcinoma
AbstractAlthough several prior studies have provided information regarding incidence of tumors in horses, there is a wide variation due to regional differences, such as climate and breed population. A number of 133 cases involving tumors was found among the 6669 equides submitted to the Veterinary Hospital (HOVET) of the School of Veterinary Medicine of the University of São Paulo, during a 15 years period, representing 2% of all records. The most commonly found neoplasm was the squamous cells carcinoma (45%), different from most of the studies worldwide. The most common neoplasia in the integument system was melanoma (34,2%) and in the ocular (76,9%) and urogenital systems (40,9%) was squamous cells carcinoma. Surgical intervention was recommended in 68% of the cases, while a clinical approach was chosen in 10% of them. Twenty two percent of the horses were not treated due to of the owner option or euthanasia indication. Death associated with tumors occurred on 14% of the animals during the hospitalization period or treatment. The squamous cell carcinoma occurs more often in our veterinary hospital and may be related to prolonged exposure to ultraviolet radiation, whose amount in the tropics has increased considerably in the last decades.
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Baccarin, R. Y. A., Silva, L. C. L. C. da, Belli, C. B., Fernandes, W. R., & Zoppa, A. L. do V. D. (2011). A survey on equine neoplasias over a 15-year period in a veterinary hospital. Brazilian Journal of Veterinary Research and Animal Science, 48(6), 439-445. https://doi.org/10.11606/S1413-95962011000600001
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