Abstract
Cancer is one of the leading causes of death in dogs, studies estimate that 45% of animals over 10 years die of this disease. There are genetic and environmental factors that may be involved in the occurrence of the disease. Data collection systems are rare in Veterinary Medicine, but of great value for the understanding of the predisposing factors and frequency of the different tumors. By developing the disease naturally and sharing the same environment and lifestyle of their tutors, animals can be good models of the natural occurrence of various neoplasms that also affect humans. The present work carried out a survey of the frequency of 764 animals complaining of tumors and that had a diagnosis obtained by cytological or histopathological examination in the period from 2013 to 2017 in the HCV-UFPel. Tumors were divided into 13 groups according to the anatomical sites, in a classification based on ICD-O-3. The present work aims to provide data for epidemiological future in veterinary and comparative oncology. The most frequent groups were skin and subcutaneous tumors (40.84%), followed by tumors of the mammary glands (27.88%), tumors of the sexual organs and the reproductive system (9.95%) and tumors of the blood and hemolytic system (6.54%).
Highlights
Retrospective study of neoplasms in company animals attended at the veterinary clinics hospital of the federal university of Pelotas during 2013 to 2017
Cancer is one of the leading causes of death in dogs, studies estimate that 45% of animals over 10 years die of this disease
The present work carried out a survey of the frequency of 764 animals complaining of tumors and that had a diagnosis obtained by cytological or histopathological examination in the period from 2013 to 2017 in the HCV-UFPel
Summary
Foi realizado um estudo retrospectivo dos prontuários clínicos de pacientes oncológicos atendidos no HCV-UFPel com diagnóstico confirmado por meio de exame citológico ou histopatológico durante o período de janeiro de 2013 a dezembro de 2017. Alterações benignas e malignas foram incluídas no estudo. A idade, a raça, o sexo, a localização e o tipo histológico das neoformações dos animais. Os neoplasmas foram divididos em grupos de acordo com a localização. A classificação foi adaptada da International Classification of Diseases for Oncology, terceira revisão (ICD-O-3). O ICD constitui um sistema de classificação de tumores conhecido internacionalmente, que busca dividir os mesmos de acordo com a sua topografia e morfologia. O ICD-O-3 classifica de acordo com sítios anatômicos genéricos (Gjerstorff, 2011; Grüntzig et al, 2015; Kavuluru et al, 2013)
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