Abstract

PARRA, L. A  and  PAREDES, M. P. CARCINOMA DE GLANDULA MAMARIA EN UNA YEGUA CRIOLLA COLOMBIANA. REPORTE DE CASO. Rev. Med. Vet. Zoot. [online]. 2016, vol.63, n.2, pp.135-146. ISSN 0120-2952.  https://doi.org/10.15446/rfmvz.v63n1.59361.

Breast cancer rarely occurs in horses. A prevalence that fluctuates from 0.11% to about 0.2% have been found in slaughter houses. Nevertheless, in Colombia there are not studies that have determined this disease prevalence yet. This article describes clinical sings and progress of a Colombian Criollo mare which was depressed with cough, respiratory distress, swollen and painful udder. Due to the unfavorable clinical progress the owner decides to euthanize the mare, on postmortem examination was found several irregular masses in thoracic cavity, multiple firm nodes disseminated in the lungs, and a mammary gland swollen and hard to cut. Microscopic examination reveal a mammary gland simple papillary carcinoma grade III with extensive lung metastasis. To the authors knowledge this is the first report on a breast carcinoma with pulmonary metastasis diagnosis made on this breed, its clinical presentation and histopathological diagnosis.

Keywords : Tumor; metastasis; hydrothorax; mastitis; equine.

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