Clinical and histopathological aspects of 19 cases involving mammary tumors in cats/Aspectos clinicos e histopatologicos de 19 casos envolvendo tumores mamarios em gatas/Aspectos clinicos y histopatologicos de 19 casos envolvendo tumores mamarios en gatas

The objective of this study was to evaluate the most frequent tumors and determine their possible prognostic factors, such as: race, sex, age, reproductive status, contraceptive use, number of breast lesions, location and ulceration. We studied 19 cases of new mammary neoformations in felines in the...

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Veröffentlicht in:Veterinária e zootecnia 2019-01, Vol.26 (1)
Hauptverfasser: Gomes, Lianna Ghisi, Menegassi, Camila Calvi, Stocco, Matias Bassinello, de Cassia Ma, Dower, Nathalie Moro Bassil, Monzem, Samuel, Soares, Luciana Maria Cu, Pereira, Gleicieli Monteiro, Spiller, Paulo Roberto, de Souza, Roberto Lopes
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Zusammenfassung:The objective of this study was to evaluate the most frequent tumors and determine their possible prognostic factors, such as: race, sex, age, reproductive status, contraceptive use, number of breast lesions, location and ulceration. We studied 19 cases of new mammary neoformations in felines in the period between 2013 and 2016. Mammary tumors had a frequency of 100% in females. The age of the animals ranged from 2 to 14 years (mean [+ or -] standard deviation of 9.76 [+ or -] 3.50), the highest occurrence being in the elderly and undefined breed. Of the affected animals, 68.42% were not castrated, evidencing a considerable hormonal influence. The majority of breast neoplasms presented malignancy characteristics, revealing a poor prognosis for the individuals with the disease. Therefore, the evaluation of this set of prognostic factors, associated to the histological diagnosis, will refer the appropriate therapeutic protocol. Keywords: felines, mammary gland, neoformation, neoplasms. Objetivou-se avaliar os tumores de maior ocorrencia e determinar seus possiveis fatores prognosticos, como: raca, sexo, idade, estado reprodutivo, uso de contraceptivos, numero de lesoes mamarias, localizacao e ulceracao. Foram estudados 19 casos de neoformacoes mamarias em felinos no periodo entre 2013 e 2016. Os tumores mamarios tiveram uma frequencia de 100% em femeas. A idade dos animais variou entre dois e 14 anos (com media [+ or -] desvio-padrao de 9,76 [+ or -] 3,50), sendo a maior ocorrencia em idosos e sem raca definida (SRD). Dos animais acometidos, 68,42% nao eram castrados, evidenciando uma consideravel influencia hormonal. A maioria das neoplasias mamarias apresentaram caracteristicas de malignidade, revelando um mau prognostico para os individuos portadores. Portanto a avaliacao deste conjunto de fatores prognosticos, associados ao diagnostico histologico remetera o protocolo terapeutico adequado. Palavras-chave: felinos, glandula mamaria, neoformacoes, neoplasias. Se objetivo evaluar los tumores de mayor ocurrencia y determinar sus posibles factores pronosticos, como: raza, sexo, edad, estado reproductivo, uso de anticonceptivos, numero de lesiones mamarias, localizacion y ulceracion. Se estudiaron 19 casos de neoformaciones mamarias en felinos en el periodo entre 2013 y 2016. Los tumores mamarios tuvieron una frecuencia de 100% en hembras. La edad de los animales varia entre dos y 14 anos (con media [+ or -] desviacion estandar de 9,76 [+ or -] 3,50), siendo l
ISSN:0102-5716