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Disgerminoma bilateral e hiperplasia endometrial cística com piometra em cadela

Machado Rolim, Veronica; Mourão Pinto, Thadeu; Maria de Almeida Lopes, Lucila; Sonne, Luciana; Conceição de Oliveira, Eduardo; Rodrigues de Almeida, Paula; Afonso de Castro Beck, Carlos; Driemeier, David.
Acta sci. vet. (Online); 38(3): 337-340, 2010.
Artigo em Português | VETINDEX | ID: vti-731912

Resumo

Background:  :  : Ovarian tumors are considered rare both in dogs and cats. Germ cell neoplasms correspond to approximately 15% of the cases and can be classified into dysgerminomas, teratomas and teratocarcinomas. Reports of bilateral dysgerminoma in dogs and cats are rare. The aim of this work was to describe a case of bilateral dysgerminoma and cystic endometrial hyperplasia with pyometra in a bitch by presenting the clinical, surgical, pathological and immunohistochemical findings. Case: A 10-year-old female crossbred dog was presented with a history of vomiting, apathy and purulent vulvar discharge. Physical examination revealed hyperthermia and pain was observed on abdominal palpation. Ultrasound examination revealed cystic formation and increased echogenicity inside the uterus. The animal underwent ovariohysterectomy (OHE). Macroscopically, the ovaries were multinodular, spherical to ovoid in shape, measuring 6 cm in diameter, and with a dark red color; they exhibited a firm consistency and a hemorrhagic cut surface with cystic areas and foci of necrotic tissue. At microscopic evaluation of both ovaries, the neoplasm consisted of large and polyhedral cells with amphophilic cytoplasm which were arranged in cords separated by connective tissue. The cells exhibited an anaplastic appearance, with central nuclei, large amounts of granular chromatin and one or more evident nuc
Biblioteca responsável: BR68.1