Estudo comparativo realizado com 3 meios de cultura para detectar amostras de corynebacterium diphteriae
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Data
1973-06
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Ruy de Souza Lino Junior
Resumo
35 inpatíents of the Hospital Oswaldo
Cruz in Goiânia (Goiás-Brazil)
with clinicai suspicion of díphteria
werc studíed from August 1972 to
March 1973. In 4 cases, bacterioscopy
with the Albert-Laybourn staín did not
show the presence of rods with metachromic
granules; one of these cases
revealed growíh of colonies of Corynebacteríum
diphteriac in selective culture
media.
In comparing the time of colony
growth between a recently developed
culture médium (RDK* and the traditional
media of Hoyle and Gundel-
Tietz, it was noted that corynebactena
grew much more readiíy in the former,
sbowing an Índex of 60,2% in
the first 24 hours, whereas the latter
media revealed a growth index of
15,6% and 12,5%, respecíively.
32 cases were positive, showíng the
typical colonial morphology of the organisms
in ali 3 culture media which
were observed for 72 hours.
Examination of samples of C. diphtheriae
in the present study revealed
greater incidence of the the ("mitis"
type (65,5' followed by the "intermedius"
type (28,1%), while the "gravis"
type was seen in 6,2% of the cases.
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REIS, Cleomenes; DINIZ, Mário; BRAGA, Augusto Luiz F.; KOLEILAT, M. Nader M. Estudo comparativo realizado com 3 meios de cultura para detectar amostras de corynebacterium diphteriae. Revista de Patologia Tropical, Goiânia, v. 2, n. 2, p. 151-154, abr./jun. 1973. Disponível em: < https://www.revistas.ufg.br/iptsp/article/view/22730/13523>.