Granulomatous nephritis and uremia associated with Klossiella equi in a horse from Rio Grande do Sul, Brazil
2022
Eryca Ceolin Lamego | Stella Maris Pereira de Mello | Roberta Wilborn | Marcos Eduardo Neto | Carlos Eduardo Nogueira | Mariana Martins Flores
ABSTRACT: Klossiella equi is an unusual protozoan of equids. In most cases, it does not cause renal injury. A case of K. equi-associated granulomatous nephritis leading to uremia in a brazilian mare is described. The animal presented colic, and among the complementary exams, increased urea and creatinine was observed. The kidneys were unremarkable on gross exam; however, a multifocal granulomatous nephritis with tubular degeneration associated with intraepithelial and intraluminal protozoa was observed histologically. The large intestines were edematous and hemorrhagic. The importance of including K. equi infection among the differential diagnosis of horses with kidney disease in southern Brazil is highlighted.
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