Lewis antigens and argyrophilic nucleolar organizer regions staining for assessment of potential malignancy of adenomatous polyps of the gastrointestinal tract in children.

Adenomatous polyps (AP) of the gastrointestinal tract in children are very rare. Because of their potential malignancy, they are of great clinical importance. There is little experience in the management of children with AP.

[Interferon alpha in the treatment of polycythemia vera in a 13-year-old girl].

The authors present a rare case of polycythemia vera (PV) in a 13-year-old girl initially treated with phlebotomy only and then also with interferon alpha at a dose of 3 x 10(6) U three times per week subcutaneously. The treatment outcome measure was the reduction of the number of phlebotomies required to retain a normal hematocrit value. Treatment with interferon enabled a substantial reduction of phlebotomies and caused a decrease in platelet count.

[Carcinoembryonic antigen and immunoglobulin IgE in duodenal ulcer disease in children].

The aim of this study was to monitor the behaviour of carcinoembryonic antigen (CEA) and immunoglobulin IgE level in children with duodenal ulcer disease. No sex-dependent differences were found in mean values of CEA, whereas the mean IgE level in boys was twice as high as in girls. No seasonal differences in CEA and IgE levels were found.

[Analysis of brain tumors in children from the Rzeszów region].

The authors present an analysis of brain tumors diagnosed in the pediatric ward of the voivodship hospital in Rzeszów between 1988 and 1992. Age, sex and clinical manifestation leading to hospitalisation, localisation and histopathology of the tumors were assessed.

[Duphalac (lactulose) in the treatment of chronic constipation in children].

The aim of this study was to estimate the effectiveness of DUPHALAC preparation, produced by Solvay-Pharma, in treatment of functional chronic constipation. 112 children, aged 10 months-15.5 years were examined.