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Carcinoma mamário com metástase pulmonar em tatu-peba (Eupharactus sexcinctus) / Breast carcinoma with pulmonary metastasis in armadillo (Eupharactus sexcinctus)

Alves, Amanda de Deus Ferreira; Siqueira, Daniel Barreto de; Rameh-de-Albuquerque, Luciana Carla; Silva, Márcio André; Pereira, Márcia de Figueiredo; Oliveira, Andrea Alice da Fonseca; Silva Junior, Valdemiro Amaro da.
Acta Sci. vet.; 46(supl): 1-5, 2018. ilus
Artigo em Português | VETINDEX | ID: vti-734057

Resumo

Background: Breast neoplasms are among the most common neoplastic conditions affecting domestic animals and are considered the most common type of cancer affecting women, bitches, and cats. However, there are few reports on breast neoplasms in wild animals, and there is no record of their occurrence in armadillos worldwide. Breast neoplasms are hormone-dependent neoplasms that often cause lymph node and pulmonary metastases. The diagnosis is based on the patients history, complete physical examination, and complementary tests. Here we report a case of mammary neoplasia with pulmonary metastasis in an armadillo (Euphractus sexcinctus).Case: A senile female armadillo was referred to us for treatment with a history of hyporexia and nodules in both breasts. Ultrasonographic examination revealed a hypoechogenic nodular lesion with a cross-section of approximately 1.3 × 1.4 cm and well-defined borders. The lesion had a circumscribed aspect in the left mammary gland. In the right mammary gland, there was a heterogeneous lesion with cystic formations and anechoic content. Cytopathological examination of the nodules was performed by fine needle aspiration cytology and revealed the presence of epithelial cells with ovoid and aberrant nuclei, anisocariasis, binucleation, coarse chromatin, and a high nucleus to cytoplasm ratio suggestive of carcinoma. The animal had a lean body score due to hyporexia that had evolved to anorexia and was undergoing supportive treatment. Nevertheless, the animal died two months after the cytologic diagnosis. A necropsy was performed. Cutting of the breast nodules revealed a hardened pale yellow material. The animal had pronounced pleural effusion, hemorrhage, and numerous pale yellow nodules of various sizes with firm consistency throughout the lung parenchyma. It also had hepatomegaly and splenomegaly.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1