[Tuberculosis: epidemiologic and clinical study of 268 pediatric patients].

TBC begins to be a big health problem at this moment. It was achieved a retrospective study with 238 cases in infant age, entered at Infections Section of Children's Hospital "Miguel Servet" of Zaragoza, during 18 years (1972-1989) studying epidemiologic and clinic factors. We divided in two groups: the first, latent disease (TBC turn) and the second, patent disease. The found incidence was 0.17%. The most affected group were among 0-5 years old (39.075%) of whom 53.76% were male. It was a little prevalence during winter and spring months. The middle-drop social class were the most affected. The epidemiologic ambient was positive in 31.4%. Only were vaccinated 33.6% of children. We observed more clinic forms among nonvaccinated. The lung-form (59.6%) and pleurisy (14.2%) were the most frequent found forms. The less frequent form was miliary TBC (0.96%). The parenquimatosa infiltration was the most frequent found form (42.5%).