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Renal myxoma in a feline

Silva, Thayná Oliveira da; Zuliani, Fernanda; Rocha, Noeme Sousa; Alves, Carlos Eduardo Fonseca.
Acta Sci. vet.; 47(suppl.1): Pub. 422, Sept. 22, 2019. ilus
Artigo em Inglês | VETINDEX | ID: vti-23837


Background: Renal neoplasms are a rare condition in felines, with metastatic lymphoma presenting the highest incidencerate. Secondary renal neoplasms are more frequent (88%) than primary renal tumors, with primary mesenquimal renalneoplasms accounting for 22% of the cases and the incidence of benign tumors not exceeding 5%. Myxomas are neoplasmsin undifferentiated mesenchymal cells with abundant reproduction of the myxoid matrix, with few few case reports aboutthis type of neoplasm in the veterinary literature. This study reports the first case of renal myxoma in a young feline afflicted by granulomatous nephritis and diagnosed with FIP (Feline Infectious Peritonitis).Case: A 9-month-old, male, mixed breed feline, was admitted into the Veterinary Hospital maintained by the Schoolof Veterinary Medicine and Animal Science, Botucatu, Brazil, presenting symptoms such progressive weight loss andoccasional episodes of emesis for one week, progressing to anorexia, hematochezia, vocalization, lack of coordination,spasms, anuria and inability to defecate. A physical examination revealed moderate dehydration, low temperatures (<33ºC), dyspnea (36 mpm), slight hyperglycemia (187 mg/dL) and distension of the abdomen and of the urinary bladder.The hematological assay and the serum biochemistry assay revealed neutrophilic leukocytosis, thrombocytopenia, anemiaand slight uremia. In view of the severity of the neurologic signs and lack of response to the clinical treatment, the owneropted to euthanize the animal. The necropsy revealed diffused jaundice, with kidney injuries observed through the palecoloration of the tissue and irregular surface with multiple off-white small nodules distributed in a marked and diffuseway. The same injury pattern was observed markedly in the lungs and discretely in the spleen and liver. The material collected was fixed in a 10% formalin solution, and processed according to the routine technique (Hematoxylin & Eosin)...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1