[Indication and examination technique of voiding cystourethrography in children (author's transl)].

Roentgen diagnosis in children with urological disease are of special interest in pediatric radiology. These examinations are more frequent than those of the gastrointestinal tract. Voiding cystourethrography is an important diagnostic procedure in chronic relapsing urinary infections. Indications and performance of voiding cystourethrographies in children is described. All precautions reducing x-ray exposure have to be taken into consideration. New technical standards enhance higher accuracy in diagnosis at lowest x-ray exposure to the patients.