Canine visceral leishmaniosis: a remarkable histopathological picture of one case reported from Brazil |
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Authors: | Tafuri W L de Oliveira M R Melo M N Tafuri W L |
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Affiliation: | Departamento de Patologia Geral, Instituto de Ciencias Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), MG, Belo Horizonte, Brazil. wtafuri@mono.icb.ufmg.br |
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Abstract: | This report describes a remarkable histopathological presentation of a symptomatic dog naturally infected with Leishmania (Leishmania) chagasi from Brazil. An intense inflammatory granulomatous reaction was observed in the liver and spleen associated with hypertrophy and hyperplasia of the mononuclear system (the classical histopathological picture of the disease). In addition, a spectrum of vascular lesions was observed in many organs. However, we did not find parasites (amastigotes of Leishmania) in any skin fragments of the ear, nose and or abdominal tissue. In fact, this animal had severe clinical signs, showed parasites in many organs, but no parasites in the skin. It appears that the presence or absence of parasites in the skin is not a good indicator of parasites in other organs or vice versa. |
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