Positive Montenegro's skin test is a delayed type hypersensitivity reaction widely used as indicative of infection with Leishmania. Montenegro's antigen consisted of a crude Leishmania homologous antigen solution that was used as a skin test in five dogs experimentally inoculated with Leishmania (Viannia) spp. In this work it is shown that all animals infected presented an induration at the site of injection in contrast of the dogs non infected used as a control group. This demonstrated that the skin tests in dogs could be used to make an diagnosis of the Leishmania infection.
Montenegro's skin test; Leishmaniaguyanensis; Leishmania braziliensis; dog; Amazônia
