[Non-Hodgkin gastric lymphoma in a 14-year-old boy]. / Nieziarniczy chloniak zlosliwy zoladka u 14-letniego chlopca.

Lymphomas of the gastrointestinal tract in children are localized most often in the ileocoecal region. We described a rare case of gastric lymphoma in 14-year-old boy.

[Crohn's disease with a severe course in a 12-year old girl]. / Choroba Crohna o ciezkim przebiegu u 12-letniej dziewczynki.

A case is described of severe course of Crohn's disease in a 12-year-old girl. Discussing the period of three years of clinical observation, diagnostic and therapeutic difficulties are presented.

[Diagnosis of choledochal cysts in children with special reference to ultrasonographic examination]. / Rozpoznawanie torbieli dróg zólciowych u dzieci ze szczególnym uwzglednieniem badania ultrasonograficznego.

Early diagnosis of the choledochal cysts in childhood, especially obstructing bile outflow to the duodenum, is an important clinical problem; often leading to serious complications--if not treated. Authors treated 5 children with choledochal cysts. Three out of them have been treated surgically. Ultrasound examination is sufficient to diagnose the disease, if the cyst is connected with intrahepatic bile ducts. If such a case is not possible to be imaged, cholescintigraphy and thin-needle biopsy with contrast filling are necessary to confirm the diagnosis.