Frequency of the metabolic syndrome in obese Spanish pediatric population.

Objective: Obesity is associated with insulin-resistance (IR), type 2 diabetes (T2D) and a constellation of cardiovascular risk factors at the early years of life. These features define the so-called metabolic syndrome (MS).

Aims: To assess the frequency of the MS among obese pediatric Spanish population and analyse the individual contribution and the predictive potential of individual components to the development of the syndrome.

Pulmonary leukemia in a child presenting with infiltrative and nodular lesions.

A leukemic child developed a pulmonary leukemic infiltration, confirmed by open lung biopsy. His radiograph showed a mixed interstitial and nodular pattern. Nodular lung lesions are rare in pediatric patients and may exceptionally represent leukemic invasion.