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Estudo clínico e anatomopatológico de neoplasias mamárias na cadela e na gata
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Orientador(es)
Resumo(s)
Os tumores mamários têm sido alvo de vários estudos, não só por serem uma das neoplasias
mais frequentes na cadela e na gata, como também pela sua semelhança aos tumores da
mulher.
Pela sua grande diversidade morfológica constituem um desafio e incentivam o
desenvolvimento de novos meios de diagnóstico, tratamento e indicadores de prognóstico.
Na presente dissertação foi realizado um estudo com 10 cadelas e 2 gatas com tumores
mamários, sujeitos a análise histopatológica após mastectomia, no período decorrido entre
Setembro de 2010 e Janeiro de 2011. O objectivo era caracterizar a ocorrência desta
patologia, comparando os resultados com os de um estudo retrospectivo de 49 meses, de
forma a identificar parâmetros com interesse na sua prevenção. Verificou-se que estes
tumores surgem com maior frequência na cadela e 82% dos mesmos são malignos. A média
de idades ao seu aparecimento é de 10,78 anos para a cadela e 16 anos para a gata.
As mamas inguinais foram as mais afectadas na cadela e o tipo histológico mais comum foi o
túbulo-papilífero.
É aconselhável apostar na prevenção recorrendo à ovariohisterectomia precoce.
ABSTRACT - CLINICAL AND ANATOMOPATHOLOGIC STUDY OF MAMMARY TUMORS IN THE BITCH AND THE QUEEN - Mammary tumours have been the topic of several studies, not only for being one of the most frequent in the bitch and queen, but also for its resemblance to the mammary women tumours. Their high morphological diversity constitutes a challenge and a stimulus to the development of new diagnostic, treatment and prognostic tools. Here the results of a histopathological analysis after mastectomy of ten dogs and two cats affected by mammary tumours are presented. This study was performed between September of 2010 and January of 2011. The aim of this work was to characterize the occurrence of this disease and to compare the results with those of a retrospective study of 49 months in order to identify potential relevant prevention parameters. These tumours arise more frequently in the bitch, in which 82% are malignant. The average age at onset is 10.8 years for the bitch and 16 years for the queen. The inguinal glands were the most affected in the dog and the tubulopapillary type the most common in both species under study. It is advisable to promote the prevention based on early ovariohysterectomy.
ABSTRACT - CLINICAL AND ANATOMOPATHOLOGIC STUDY OF MAMMARY TUMORS IN THE BITCH AND THE QUEEN - Mammary tumours have been the topic of several studies, not only for being one of the most frequent in the bitch and queen, but also for its resemblance to the mammary women tumours. Their high morphological diversity constitutes a challenge and a stimulus to the development of new diagnostic, treatment and prognostic tools. Here the results of a histopathological analysis after mastectomy of ten dogs and two cats affected by mammary tumours are presented. This study was performed between September of 2010 and January of 2011. The aim of this work was to characterize the occurrence of this disease and to compare the results with those of a retrospective study of 49 months in order to identify potential relevant prevention parameters. These tumours arise more frequently in the bitch, in which 82% are malignant. The average age at onset is 10.8 years for the bitch and 16 years for the queen. The inguinal glands were the most affected in the dog and the tubulopapillary type the most common in both species under study. It is advisable to promote the prevention based on early ovariohysterectomy.
Descrição
Dissertação de Mestrado Integrado em Medicina Veterinária
Palavras-chave
Tumores mamários Cadela Gata Histopatologia Tratamento Mammary tumors Bitch Queen Histopathology Treatment
Contexto Educativo
Citação
Caixinha, M.R.S.N. (2011). Estudo clínico e anatomopatológico de neoplasias mamárias na cadela e na gata. Dissertação de Mestrado. Universidade Técnica de Lisboa, Faculdade de Medicina Veterinária, Lisboa.
Editora
Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária