DIAGNOSIS KYSTEOOURITHROGRAFIA [METHOD ELECTION] [MARKET IN ORDER PORTAYAL URETHRA] CYSTOSCORY UNDER ANESTHESIA [BLADDER/MOUTH URINALIS] 1%REGRETION IN GENERAL POPULATION 50% INFANTS WITH FEBRILE UTIS 15-30% SIBLINGS OF CHILDREN WITH REGRESSION WHITES 15% KIDNEY FAILLURE IN CHILDREN PREDETERMEINE [1] FEBRILE UTIS [2] REGRESSION/RENAL SCAR FORMATION [3] RELAPSES THAT DESTROYES KIDNEY FUNCTION