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  • 1 Laboratório de Patologia e Histologia Animal, Instituto Federal Goiano, Urutaí, GO, Brazil
  • 2 Department of Pathology and Athens Veterinary Diagnostic Laboratory, University of Georgia, College of Veterinary Medicine, Athens, GA, USA
  • 3 Fundação Jardim Zoológico de Brasilia, Brasília, DF, Brazil
  • 4 Laboratório de Diagnóstico Patológico Veterinário, Universidade de Brasília, Brasília, DF, Brazil
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Abstract

A 10-year-old female coati (Nasua nasua) was necropsied after an 8-day history of apathy, weight loss and dehydration. Gross changes consisted of multifocal to coalescing nodules ranging from 0.5 to 2.0 cm in diameter in the wall of the small intestine, adjacent to the mesentery and in the mesenteric lymph nodes. Histologically, neoplastic CD3-positive lymphocytes infiltrated all layers of the intestine, as well as the mesenteric adipose tissue and mesenteric lymph nodes. Based on the pathological and immunohistochemical findings, a diagnosis of intestinal T-cell lymphoma was made.

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