Melanoma ocular em cães: relato de dois casos

Silva, Ana Paula Teixeira da; Sawada, Marina Lie; Pinheiro, Alessandra Oliveira; Torres, Maria Lúcia Marcucci; Balieiro, Priscila Carvalho de Oliveira

doi:10.36440/recmvz.v11i1.5371

Rev. Educ. Cont. Med. Vet. Zootec.

2013

DOI: 10.36440/recmvz.v11i1.5371

|View full text |Cite

Melanoma ocular em cães: relato de dois casos

Ana Paula Teixeira da Silva¹,

Marina Lie Sawada²,

Alessandra Oliveira Pinheiro³

et al.

Abstract: Os melanomas normalmente são neoplasias cutâneas, mas podem ocorrer sempre que agrupamentos de melanócitos são encontrados. Estes tumores possuem duas categorias: melanoma benigno, referido como melanocitoma, e melanoma maligno. O local mais comum da sua ocorrência no cão é a cavidade oral, mas dentre as neoplasias oculares representam a mais comum neoplasia ocular primária nesta espécie. Quanto a sua localização podem ocorrer na conjuntiva, limbo (tecidos epibulbares), úvea anterior, coróide e nos anexos ocul… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2022

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Aspectos epidemiológicos, fatores de risco e achados clinicopatológicos do melanoma em cães no Sertão, Nordeste do Brasil

Lopes de Lima,

Platini Ferreira de Souto,

Norberto de Oliveira

et al. 2022

Acta Scientiae Vet.

View full text Add to dashboard Cite

Background: Melanoma is a malignant neoplasm that arises from melanocytes and malanoblasts. It is also more frequently reported in dogs than in other species. They may arise from melanocytes in the skin, on the surfaces of the mucous membranes, and eyes. The aim of this study was to describe the epidemiological aspects, risk factors and clinicopathological findings of melanoma in dogs in the backlands, northeastern Brazil. Materials, Methods & Results: Biopsies and necropsies performed on dogs at the Animal Pathology Laboratory of the Federal University of Campina Grande during the period from 2000 to 2021 were reviewed. Of the 4717 records found, 1158 (24.5%) were diagnosed with neoplasms, of which 48 (4.14%) cases were of melanoma. Of this total, 28 (58.3%) dogs were elderly, 19 (39.6%) were adults, and one (2.1%) was young. Mixed breed animals were the most affected (42.6%), followed by the pinscher breed (19.1%). The neoplasms were in the skin, oral cavity, and eyeball. In nine (18.75%) cases, metastases were identified, eight in lymph nodes and one in the lung. The lesions were located mainly on the skin and were characterized by a nodular and blackened growth pattern. Discussion: The diagnosis of melanoma was established based on epidemiological, clinical, anatomopathological, and immunohistochemical findings. Gender is not a predisposing factor, and although there was no statistically significant relationship, males were more affected. Senescence is a conditioning risk factor. Elderly animals were more affected (p < 0.0001) than adult ones, with OR = 4.38; and young ones (p = 0.0051), with OR = 12.65. Some breeds, especially those with marked skin pigmentation, were more affected, however the most affected ones in this survey were pinscher and poodle. Cutaneous melanoma accounted for almost 72% of cases, contesting recent studies where oral cavity melanoma was more frequent. Therefore, it is believed that the climatic conditions of the Sertão sub-region, in Northeastern Brazil, associated with the individual characteristics of the dogs, are involved in the development of these neoplasms, since the climate is predominantly dry, with high temperatures throughout the year, with maximums that can reach 40ºC, favoring the exposure to high incidence of ultraviolet radiation. Keywords: Dog disease, dermatopathy, neoplasm, melanocytes.

show abstract

Aspectos epidemiológicos, fatores de risco e achados clinicopatológicos do melanoma em cães no Sertão, Nordeste do Brasil

Lopes de Lima,

Platini Ferreira de Souto,

Norberto de Oliveira

et al. 2022

Acta Scientiae Vet.

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Melanoma ocular em cães: relato de dois casos

Cited by 1 publication

References 0 publications

Aspectos epidemiológicos, fatores de risco e achados clinicopatológicos do melanoma em cães no Sertão, Nordeste do Brasil

Aspectos epidemiológicos, fatores de risco e achados clinicopatológicos do melanoma em cães no Sertão, Nordeste do Brasil

Contact Info

Product

Resources

About