[Urinary calculi in children].

Urolithiasis in children is a very important problem from the theoretical as well as from practical point of view. Better knowledge of its metabolic basis may allow to move the central treatment from surgical to prophylactic methods. The study presents modern view points on mechanisms for concrements sedimentation and actual data on metabolic disturbances in calcium, oxalates, purines, xanthines and cystine and their relations to urolithiasis and urinary tract infection.