LINFOMA CUTÂNEO NÃO EPITELIOTRÓPICO EM UM CÃO PASTOR ALEMÃO – RELATO DE CASO

Abstract

Neoplasms correspond to a disorderly and accelerated proliferation of several cell types. In dogs, the cutaneous manifestations are most common (about 30 to 40%), and the lymphoma is considered the main hematopoietic tumor that affects dogs. The cutaneos lymphoma, otherwise, is an extremely rare manifestation with poor prognosis, which can be histologically classified in non-epitheliotropic or epitheliotropic forms. This report describes a case of cutaneous lymphoma non-epitheliotropic in a male, dog, 9 years old, German Shepherd breed, taken for inspection at the Veterinary Hospital of the CCA UFPB. The animal had a sudden increase in volume in the skin of approximately 15 days, lost of appetite, progressive weight loss and deep dismay. In the clinical evaluation, there was a diffuse swelling cutaneous , hyperemia, in a "serpentine" format in the abdomen, neck and chest. Aspiration cytology, incisional biopsy, blood count, chest radiograph and abdominal ultrasound were performed. After analyzing the tests and main histopathological findings, the histological classification of lymphomas was performed as recommended by World Health Organization (WHO) and it was determined the diagnosis of a non epitheliotropic cutaneous lymphoma. Aggressive chemotherapy was indicated according to the Madison-Wisconsin protocol, however, due the severity of the case and the advancement of the neoplasia, the owner decided not to treat the animal. It had a worsening of symptoms, ultimately, the animal come to death in a period of 30 days.