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American cutaneous leishmaniasis caused by Leishmania (Viannia) braziliensis resistant to meglumine antimoniate, but with good response to pentamidine: a case report

2011; Brazilian Society of Tropical Medicine; Volume: 44; Issue: 2 Linguagem: Inglês

10.1590/s0037-86822011000200026

1678-9849

Maria Inês Fernandes Pimentel, Cibele Baptista, Évelyn Figueiredo Rubin, Érica de Camargo Ferreira e Vasconcellos, Marcelo Rosandiski Lyra, Mariza de Matos Salgueiro, Maurício Naoto Saheki, Cláudia Maria Valete‐Rosalino, Maria de Fátima Madeira, Aline Fagundes, Eliame Mouta Confort, Armando de Oliveira Schubach,

Trypanosoma species research and implications

This is a case report of a Brazilian soldier with cutaneous leishmaniasis. The lesion relapsed following two systemic treatments with meglumine antimoniate. The patient was treated with amphotericin B, which was interrupted due to poor tolerance. Following isolation of Leishmania sp., six intralesional infiltrations of meglumine antimoniate resulted in no response. Leishmania sp promastigotes were again isolated. The patient was submitted to intramuscular 4mg/kg pentamidine. Parasites from the first and second biopsies were identified as Leishmania (Viannia) braziliensis; those isolated from the first biopsy were more sensitive to meglumine antimoniate in vitro than those isolated from the second biopsy. No relapse was observed.