Peer-reviewed veterinary case report
Persistent skin leishmaniasis in dogs in Sao Paulo Brazil area
By Cutolo, André Antonio et al.·Published in Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria·2021·Centro de Parasitologia e Micologia·View original on PubMed →
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Original publication title: Persistent cutaneous canine leishmaniasis caused by Leishmania (Viannia) braziliensis in an area with predominance of Nyssomyia neivai in the state of São Paulo, Brazil.
- Species:
- dog
Plain-English summary
A dog in Brazil was diagnosed with a skin infection caused by Leishmania (Viannia) braziliensis, which is a type of leishmaniasis. This infection was confirmed through blood tests and skin samples, and it was found that the area had a high population of sandflies, which spread the disease. Out of three dogs tested, two showed signs of infection, with one having it for over a year. Treatment options were not detailed, but early diagnosis and management are crucial for recovery.
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Abstract
American cutaneous leishmaniasis (ACL) is a neglected zoonotic disease caused mainly by Leishmania (Viannia) braziliensis, which is endemic throughout Brazil. Canine ACL cases were investigated in a rural area of Monte Mor, São Paulo, where a human ACL case had been confirmed. Dogs were evaluated through clinical and laboratory diagnosis including serology, cytological tissue preparations and PCR on skin lesions, lymph node and bone marrow samples. Entomological investigations on sandflies trapped in the surroundings of the study area were performed for 14 months. Nyssomyia neivai was the predominant phlebotomine species, comprising 94.65% of the captured specimens (832 out of 879). This species was the most abundant in all trapping sites, including human homes and dog shelters. Ny. whitmani, Migonemyia migonei, Pintomyia monticola, Evandromyia cortellezzii, Pi. fischeri and Expapilata firmatoi were also captured. Two of the three dogs examined were positive for anti-Leishmania IgG in ELISA using the antigen Fucose mannose ligand and skin samples were positive for L. (V.) braziliensis in PCR, but all the samples collected were negative for L. (L.) infantum. One of the dogs had a confirmed persistent infection for more than one year.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34550212/