Estudo retrospectivo de 973 neoplasias epiteliais caninas
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2020-02-21
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Universidade Federal de Goiás
Resumo
Neoplasms have afflicted humans and animals since Prehistorical times and are now among
the illness of major impact on the health of both species. For centuries, scholars have been
trying to unravel the oncogenesis process seeking to determine the triggering factors
associated to the disease in order to better fight it and prevent it. In the canine species,
among the neoplasms of major occurrence are those of epithelial origin which represent 50%
of all the diagnosed tumors of the specie. Of these tumors, the majority present aggressive
behavior, compromising the life quality of the afflicted animals and, frequently , leading to
death. Before that, this retrospective study aimed analyze the data files of Setor de Patologia
Animal da Escola de Veterinária e Zootecnia da Universidade Federal de Goiás (SPA-EVZ-
UFG), in the period of January, 2006 to December, 2018, selecting all the epithelial neoplasm
diagnoses in dogs. Thus, were cataloged 973 cases, comprehending 66 distinct diagnoses
from which malignant tumors prevailed (73,8%) . Tumors of the mammary gland obtained
higher frequency (72,7%), followed by the cutaneous tumors (20,5%) and tumors in other
regions (6,8%). Bitches represented 85,9% of all animals, while only 14,1% corresponded to
males. There was prevalence of elderly animals (68,6%) and dogs without defined breed
(30,2%). However, among the dogs with defined breed, the Poodle (15,4%) and the
Dachshund (10,1%) highlighted. Among the mammary tumors the carcinoma in mixed tumor
(14,9%), complex carcinoma (12,6%), carcinosarcoma (11,9%), benign mixed tumor (9,8%)
and the solid carcinoma (8,9%) had major representativity. The squamous cell carcinoma
(34,7%) and sebaceous adenoma (11,6%) featured between the cutaneous tumors, in its turn
the ameloblastoma (38,8%) presented higher frequency among the other epithelial neoplasms
observed. In conclusion, skin and mammary gland neoplasms obtained higher representativity
between the epithelial tumors observed, with higher incidence of those with malignant
behavior, being dogs without defined breed more afflicted.
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SILVA, E. V. S. Estudo retrospectivo de 973 neoplasias epiteliais caninas. 2020. 32 f. Dissertação (Mestrado em Ciência Animal) - Universidade Federal de Goiás, Goiânia, 2020.