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2030-01-01
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- IOC - Artigos de Periódicos [12973]
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LEISHMANIA (LEISHMANIA) INFANTUM/CHAGASI: HISTOPATHOLOGICAL ASPECTS OF THE SKIN IN NATURALLY INFECTED DOGS IN TWO ENDEMIC AREAS
Leishmania chagasi
Leishmaniose visceral canina
Lesões na pele
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Abstract
In the New World, visceral leishmaniasis (VL), which is a progressive disease and frequently fatal, is caused by Leishmania (Leishmania) infantum/chagasi. It is endemic in many regions of Brazil and occasionally occurs in non-endemic regions when dogs from an endemic area are introduced. The aim of the present study is to compare different skin infection patterns of dogs from two leishmaniasis endemic areas. A histological analysis of dogs from Campo Grande, Mato Grosso do Sul state, a region where epidemic episodes are currently taking place, showed dermic inflammatory infiltrates, composed of numerous vacuolated parasitized macrophages, few lymphocytes, plasma cells and many degranulated mast cells. In the other region of the study, São Luís, Maranhão state, the skin of dogs presented a remarkable inflammatory reaction composed mainly of plasma cells, lymphocytes and very few parasites. We concluded that there is a difference in the skin lesion patterns of dogs with leishmaniasis that is directly related to the endemic area where the animals live.
Keywords in Portuguese
Leishmania infantumLeishmania chagasi
Leishmaniose visceral canina
Lesões na pele
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