[Acute leukemia in children with Down syndrome: analysis of cases].

An analysis of clinical and laboratory parameters and the results of treatment of 14 children with Down Syndrome and acute leukaemia was performed. The children were treated between 1986-1997. Their age ranged from 1 day to 13 years (average 5.

[Acute pancreatitis in children with acute lymphoblastic leukemia treated with L-asparaginase].

The treatment of the acute lymphoblastic leukemia in childhood includes frequent administration of L-asparaginase by intravenous route. L-asparaginase is an enzyme produced by E. coli and Erwinia chrysanthemi strains.

[Histiocytosis X in children--course of the disease and treatment].

A clinical analysis was carried out of the course of the disseminated form of the disease in 20 children aged from one month to 8 years (mean age 11 months). Unfavourable prognostic significance was confirmed of such factors as: child's age at the time of falling ill lower than two years, number of the involved organs and their dysfunction, and lacking reaction to treatment during the first three months of the disease.

[Preliminary experience with achieving immune tolerance in patients with hemophilia A and circulating factor VIII inhibitor].

The appearance of antibodies to factor VIII is a serious complication in the treatment of haemophilia A. A protocol is presented aiming at suppression of the anticoagulant using continued treatment with factor VIII (25 u/kg b.w.