Feline leishmaniosis in Portugal: 3 cases (year 2014)
2015
Pimenta, Paulo | Alves-Pimenta, Sofia | Barros, João | Barbosa, Pedro | Rodrigues, Ana | Pereira, Maria João | Maltez, Luís | Gama, Adelina | Cristóvão, José Manuel | Campino, Lenea | Maia, Carla | Cardoso, Luís
Leishmaniosis caused by Leishmania infantum is a zoonotic disease endemic in many countries of America, Asia and Europe, including Portugal. Dogs are the major reservoir of L. infantum, but domestic cats may also be infected. Three clinical cases of feline leishmaniosis are described, with ocular clinical signs as the only manifestation of the disease. A case had bilateral anterior uveitis and a granulomatous conjunctivitis, another one presented keratitis and the third case had a nodular blepharitis. All the affected cats had high serum titres of antibodies to L. infantum, while polymerase chain reaction results were positive in two of the cats. Although all cats in the present study improved after treatment with meglumine antimoniate and/or allopurinol, one of them died 6months later apparently due to a systemic L. infantum infection. The prevalence of disease may be underestimated in cats, because leishmaniosis is often not considered in the differential diagnosis of feline diseases. Feline leishmaniosis should be suspected in cats with ocular clinical signs and in those living in or traveling to areas where the zoonosis is endemic.
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