Mammary Neoplasms in Female Dogs: Identification of Cytopathological Criteria for Malignancy

IE, Kamiguchi; IM, Moreira

doi:10.4172/2157-7099.1000392

Cited by 3 publications

(4 citation statements)

References 15 publications

(37 reference statements)

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“…As of malignant tumors, Kamiguchi et al (2016) found the papilliferous carcinoma histological type in 90% of the samples. Gundim et al (2016) found tubular carcinoma, followed by carcinoma in a mixed tumor.…”

Section: Discussionmentioning

confidence: 95%

“…Feliciano et al (2012) evaluated 60 female dogs, of which 13.37% had received contraceptives. Kamiguchi et al (2016), when conducting the study with 20 female dogs, noted that 10% of the patients had a history of hormone administration for contraceptive purposes, which could indicate a low correlation with the development of mammary tumors. Ariyarathna et al (2018) studied 74 female dogs and none of them had used contraceptives to prevent pregnancy.…”

Section: Discussionmentioning

confidence: 99%

“…The guardians of nine animals from the study by Ariyarathna et al (2018) admitted that, although they had observed mammary nodules in the female dogs before the appointment, they did not seek specific care because they thought the tumors were harmless. The delay in seeking for specialized veterinary assistance is related to the development of malignancy and worsening in the prognosis (Kamiguchi et al 2016). Coleto et al (2018) evaluated 59 female dogs and 56% of them had a single nodule, 27.1% had two nodules, 11.9% had three nodules, 3.4% had four nodules and 11.9% had seven nodules.…”

Section: Discussionmentioning

confidence: 99%

“…For Cleary et al (2010), obesity in female dogs decreases the latency period for detecting mammary tumors and increases their incidence. Kamiguchi et al (2016) reported that obese animals fed with fatty diets have a higher risk of developing cancer.…”

Section: Introductionmentioning

confidence: 99%

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Relationship of obesity with clinical and laboratory changes in female dogs with mammary neoplasia

et al. 2020

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Obesity may be associated with the onset of mammary tumors in women. In companion animals, these data are still scarce, mainly associating the clinic of the patient with laboratory and histological findings. This study aimed to evaluate the clinical and laboratory aspects of female dogs with mammary neoplasia, investigating whether they are related to obesity. Four groups of spayed or non-spayed female dogs were studied, divided into (G1) female dogs without mammary tumor and normal body condition score (BCS), (G2) female dogs without mammary tumor and obese, (G3) female dogs with mammary tumor and normal BCS and (G4) female dogs with mammary tumor and obese. BCS, canine body mass index (CBMI), blood count, glucose, total cholesterol, triglycerides and cytopathological and histopathological examinations were evaluated. Mixed-breed animals were the most prevalent in this study (67.5%). There was a limitation regarding the use of CBMI related to body proportionality. Considering the 28 tumors evaluated, carcinoma in mixed tumor was the most prevalent malignant histological type, while adenomyoepithelioma was the most prevalent benign histological type. It was possible to conclude that obesity was not related to clinical and laboratory changes in the female dogs affected with mammary neoplasias. In addition, no relationship was noted between BCS and CBMI with the histological type or malignancy of mammary neoplasia, since the malignant histological types were the most prevalent tumors in both the ideal score group and the overweight to obese group.

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Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Relationship of obesity with clinical and laboratory changes in female dogs with mammary neoplasia

et al. 2020

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Conhecimento De Tutores De Cães Sobre Tumor De Mama Em Cadelas

Magalhães¹,

Lima²,

Lima³

et al. 2016

Acta Vet Bras

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RESUMO -Os tumores mamários (TM) são frequentes na espécie canina, sendo que a etiologia pode estar relacionada a diversos fatores, sendo o mais importante o fator hormonal. Devido a isso, a castração precoce é a principal forma de se prevenir a doença em cadelas. Este trabalho teve o objetivo de entrevistar tutores de cães na cidade de Teresina, a respeito do tumor de mama em cadelas. Foram abordadas 420 pessoas na cidade e observou-se que a maioria das pessoas não leva seu animal regularmente ao veterinário. Tal conduta diminui a possibilidade de diagnóstico precoce, fundamental em TM de cadelas. A maioria das pessoas respondeu que não castraria seu animal, demonstrando que não estão dispostos a adotar condutas importantes na guarda responsável. Dentre os que concordam com a castração, a anticoncepção foi apontada como principal motivo para muitos entrevistados. A maioria dos entrevistados (71,19%) não sabia que cadelas podem ter TM e dentre as pessoas que afirmaram saber, a maioria não sabia como prevenir a doença. Apenas 8,24% das pessoas citaram a castração antes do primeiro cio como conduta profilática para TM em cadelas. Diante dos resultados obtidos, constata-se que os habitantes de Teresina não possuem informações adequadas e suficientes a respeito de tumores mamários em cães. Sugere-se a instituição de campanhas educativas para diminuir a morbidade e mortalidade da enfermidade em cadelas.Palavras-Chave: cães; informação; glândula mamária; profilaxia; proprietário.ABSTRACT -Mammary tumors (MT) are common in dogs, and the etiology may be related to several factors; however the most important factor is hormonal. Due to this, early castration is the main method to prevent the disease in dogs. This study aimed to interview dog guardians in the city of Teresina, about the mammary tumor in dogs. We addressed 420 people in the city and it was observed that most people do not take your pet to the veterinary regularly. Such behavior diminishes the possibility of early diagnosis, key in MT of female dogs. Most people do not accept to spay your animal, demonstrating that they are not willing to adopt important conduits in responsible ownership. Among those who agree with castration, contraception was identified as the main reason for many respondents. The most respondents (71.19%) did not know that dogs may have MT and among the people who claimed to know, most did not know how to prevent the disease. Only 8.24% of people recognize spaying before the first heat as a prophylactic conduct for TM in dogs. Based on these results, it was concluded that the inhabitants of Teresina do not have adequate and sufficient information regarding mammary tumors in dogs. It is suggested the creation of educational campaigns to reduce the morbidity and mortality of the disease in dogs.

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Aspectos epidemiológicos, clínicos e histopatológicos das neoplasias mamárias em cães do município Rio Branco, Acre, Brasil

Esteves

Cassali²,

Souza³

et al. 2022

Semina: Ciênc. Agrár.

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As neoplasias mamárias são muito frequentes na rotina clínica de pequenos animais e possuem uma enorme diversidade e complexidade histológica. A maior parte dessas neoplasias é classificada como malignas e originam às metástases, sendo consideradas a principal causa mortis. Este estudo objetivou apresentar e correlacionar os dados epidemiológicos com a malignidade dos tipos histológicos das neoplasias mamárias em cães dentro do município de Rio Branco, Acre. As amostras analisadas foram coletadas em hospitais e clínicas veterinárias colaboradoras, os dados adquiridos através de questionário preenchido pelos mesmos, o estadiamento clínico realizado através do sistema TNM e a classificação histológica segundo o Consenso de Diagnóstico, Prognóstico e Tratamento de Neoplasias Mamárias Caninas. O material fixado foi avaliado macroscopicamente e, em seguida, submetido ao processamento histológico clássico. As preparações histológicas foram observadas sob microscopia óptica. Os dados obtidos foram organizados na forma estatística utilizando o Teste de Qui-quadrado de Pearson (p<0,05). Das 71 amostras obtidas em cães, 50 foram neoplasias mamárias, 18 foram tumores de pele e três eram lesões não tumorais. Foram identificadas 11 raças caninas, 48 eram fêmeas e dois machos, com idade média de 10 anos, onde a maioria dos pacientes eram inteiros (90%) e a minoria fazia uso de progestágenos (16%). Das neoplasias mamárias, 94% apresentaram o perfil maligno, sendo o carcinoma em tumor misto o mais frequente (60%). Estatisticamente não houve correlação entre raça, sexo, idade, estado reprodutivo, uso de progestágenos, localização das mamas ou tamanho tumoral com a malignidade. A espécie canina de modo geral pode ser acometida de neoplasia mamária maligna, independente das variáveis citadas, reforçando a importância do estadiamento clínico e diagnóstico precoce para o melhor prognóstico dentro da clínica de pequenos animais.

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Mammary Neoplasms in Female Dogs: Identification of Cytopathological Criteria for Malignancy

Cited by 3 publications

References 15 publications

Relationship of obesity with clinical and laboratory changes in female dogs with mammary neoplasia

Relationship of obesity with clinical and laboratory changes in female dogs with mammary neoplasia

Conhecimento De Tutores De Cães Sobre Tumor De Mama Em Cadelas

Aspectos epidemiológicos, clínicos e histopatológicos das neoplasias mamárias em cães do município Rio Branco, Acre, Brasil

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