[Retrograde infusion urethrocystography in boys]

The main advantages of retrograde infusion-urethrocystography are compared with conventional diagnostic procedures: a sterile infusion set is used for small anatomic situations in the childs urethra; the radiological evaluation of the urethra can be performed painlessly, non invasively, and avoids radiation of the investigator as shown by the examination of 35 young patients in our department.