Periódicos Brasileiros em Medicina Veterinária e Zootecnia

p. 01-04

Linfoma de células T multicêntrico em um equino quarto de milha

Gonçalves de Campos, CamilaLerner Lopes, LeticyaSouza e Silva, GustavoAparecida Sales da Cruz, RaquelCristie Gimenez Falsoni, PamellaLuiz Hoeppner Rondelli, AndréÂngelo Luis, Michelede Cássia Veronezi, ReginaArgenta Pescador, Caroline

Background: Equine lymphoma is the most common haematopoietic neoplasm in horses which can present a variety of clinical signs and course. The incidence of this neoplasia is of 0.7-3.2/100,000 horses. The major clinical manifestations depend on the degree of the organ involvement, the specifi c organs involved in an individual patient and duration of the disease. In general, the most common signs are weight loss, cachexia, ventral and limb subcutaneous edema, regional lymphadenopathy, depression, lethargy and recurrent fever. The purpose of the current study is to report a single case of equine lymphoma, classify this case via morphology and immunophenotyping according to the veterinary adaptation of the WHO guidelines.Case: A 19-year-old, female quarter horse showed clinical sings characterized by anorexia, weight loss, dyspnea, noisy breathing at rest, swelling in the cervical and ventral region and subcutaneous nodules. The veterinarian suspected of neoplasia. Hematological and biochemical tests were requested by the owner. The animal was euthanized due to worsening of symptoms. Macroscopically, was observed an increase of the pre-scapular and pre-crural lymph nodes and nodules in the left scapular, on the inner thigh and perineum region. On the ventral surface of the spleen was increased size of lymph nodes which showed a reddish white color. In the kidney, was observed lym

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