Abstract
The incidence odf lithiasis in childre and adolescents in currently on the rise. The main factors of the increase are changes in eating habits in children, lower physical aktivity and improved diagnostic possibilities.
On examination the focus is on the analysis of the stone and metabolic investigations, which then allows a specific metaphylaxis. Therapy has been based on extracorporeal lithotripsy for a long time, but with the minituarization of instrumentation, the number of endoscopic prosedures increases.