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Autochthonous canine visceral leishmaniasis in urban area of Porto Alegre, RS, Brazil / Leishmaniose Visceral Canina autóctone na região urbana de Porto Alegre, RS, Brasil

Bianchi, Matheus Viezzer; Fredo, Gabriela; Tagliari, Nelson Junior; Leite Filho, Ronaldo Viana; De Lorenzo, Cintia; Lupion, Camila Gottlieb; Driemeier, David; Sonne, Luciana.
Acta sci. vet. (Online); 44(supl): 01-04, 2016. ilus
Artigo em Português | VETINDEX | ID: vti-483048


Background: Leishmaniasis is a chronic infectious disease caused by intracellular protozoan Leishmania that affects canine and human. The visceral leishmaniasis (VL) is caused by the Leishmania donovani complex, in which canines are the main reservoir for human VL. In Southern Brazil, case reports of this disease have increased, especially when canines are infected in endemic areas in the country. Canines usually present a systemic disease, characterized by cutaneous lesions, weight loss, generalized lymphadenopathy, hepatomegaly and splenomegaly. This report aims to describe the clinicalpathological features of a case of autochthonous VL in a canine of an urban area of Porto Alegre. Case: A male, mixed breed, dog , 7 year-old, resident at the East Side of Porto Alegre, living together with two other canines, presented at clinical examination progressive weight loss, associated with hyporexia and hyperthermia, evolving to lateral recumbency, paralisys, and death. At necropsy, the dog was cachectic with diffusely pale mucosae. Gross findings included liver enlarged, with multifocal firm brownish areas, spleen enlarged, showing multifocal firm round dark-red areas, and kidneys diffusely pale with evidentiated tranversal striations on cortical zone. At microscopic examination, there was on the spleen diffuse inflammatory infiltrate of macrophages with large cytoplasm containing multiple amastigotes. The liver, exhibited atrophy of hepatocytes and moderate multifocal inflammatory infiltrate in sinusoids of macrophages containing multiple amastigotes. These features were also observed moderately on lymph nodes and lamina propria of large intestine.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1