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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060


TORRES, C. Magarinos  and  TEIXEIRA, J. de Castro. Methodo para diagnostico do alastrim. Mem. Inst. Oswaldo Cruz [online]. 1937, vol.32, n.4, pp.543-550. ISSN 0074-0276.

Inclusion bodies of alastrim are quite consistent in their morphology and staining properties when studied in material from seven epidemies occurring in several States of Brazil (Pará, Minas Geraes, Rio de Janeiro, Districto Federal and São Paulo) from 1932 to 1937. Paranuclear or circumnuclear basophilie cytoplasmic bodies not stained by safranine, single or in pairs at opposite ends of the nuclei could always be demonstrated in epidermal cells from skin lesions either in man or in Macaca mulatta. Cytoplasmic inclusion bodies of variola vera as seen in human cases, and of vaccinia as seen in Macaca mulatta are acidophilic or polychromatophilic and deeply stained by safranine. A method for the diagnosis of alastrim is devised taking into account the sensibility of Macaca mulatta to the virus, and the morphology and staining properties of the cytoplasmic inclusion bodies as seen in skin lesions of the monkey. This method has been successfully tried in epidemies occurring at the States of Pará (1936), São Paulo (1936) and Districto Federal (1937) when the real diagnosis was a matter of discussion.

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