Leishmaniasis is caused by an obligate intracellular protozoa of the genus Leishmania. Its clinical manifestations include cutaneous, mucocutaneous, and visceral forms. Sporotrichoid cutaneous leishmaniasis (SCL) is an atypical and rare form of cutaneous leishmaniasis (CL) reported mainly in the Old World. This case report describes SCL in a Japanese man infected with Leishmania (Viannia) peruviana in Peru. His lesions occurred on both feet, with the left foot lesion being a simple CL that resolved spontaneously. However, the lesion on the right foot did not cure by itself; instead, it progressed centrally along the lymph nodes, eventually forming an SCL. Amastigotes were detected in both feet and genetically identified as L. (V.) peruviana. The lesions gradually resolved after treatment with intravenous liposomal amphotericin B. Here, we report the first case of SCL caused by L. (V.) peruviana.
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