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Revista de Medicina Veterinaria

Print version ISSN 0122-9354

Abstract

BENAVIDES MELO, Carmenza Janneth; CHAVES VELASQUEZ, Carlos Alberto  and  MONTENEGRO LAGOS, Jhon Eduard. Tubulopapillary Carcinoma of Mammary Gland in a Cat: A Case Report. Rev. Med. Vet. [online]. 2013, n.26, pp.123-132. ISSN 0122-9354.

Mammary tumors in felines rank third in frequency after skin tumors and lymphoma, equivalent to 12% of the total cases of neoplasia in felines and 17% in female cats; however, remission and histopathological diagnosis in small animal practice is considerably lower, unlike what happens with canines, where mammary and skin tumors are the main cases of remission and diagnosed neoplasia in laboratories. This paper reports the case of a nine-year-old female Siamese cat that was treated at a private clinic. The patient had a mass located in the abdominal mammary gland of about 2 cm in diameter, of a reddish color, firm consistency and serous secretion, with an estimated evolution time of one month, removed through partial mastectomy. The sample was fixed in buffered formalin at 10% and processed for histopathological analysis at the pathology laboratory of the University of Nariño, using routine hematoxylin and eosin. In addition, it underwent a Periodic acid-Schiff (PAS) differential staining and an immunohistochemical marker estrogen receptor (ER), which tested negative. Thus, it was diagnosed with tubulopapillary carcinoma in mammary gland, this being the first reported case of this disease in the Department of Nariño.

Keywords : Cat; mammary gland; neoplasia.

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