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Medical Definition of Leishmania braziliensis panamensis
1. A subspecies of Leishmania braziliensis found in Panama, Colombia, and neighboring regions; it causes ulcerating lesions of cutaneous leishmaniasis which do not heal spontaneously and often involve nearby lymphatic tissues, but nasopharyngeal involvement is rare. The sloth Choloepus hoffmani is the reservoir in Panama and Costa Rica; the sandfly Lutzomyia trapidoi has been proven to be a vector. (05 Mar 2000)