| The author describes the first cases of spontaneous leishmaniasis in guinea-pigs, as verified for the first time, in Curitiba, at the Institute of Biology and Technological Research. Studying the inoculability of Paracoccidioide brasiliensis in guinea-pigs, he found animals which presented tumoral lesions in the ears and peritesticular skin. The examination of these tumors, mixed with a small drop of Giemsa's original solution, plus the exam of the rubbings of the same material, coloured by the May-Grunwald Giemsa after fixation by Heidenhein's solution and the histological exams of the cuts in the tumoral lesions revealed the presence of elements which possessed the same morphology and aspect of the LEISHMAN-DONOVANI corpuscles. In the meanwhile, a... |
