[Renal echography as a preliminary to the urographic study. Considerations on 839 cases and proposals]

The same radiologist, on 839 patients who were to be subjected to urography, did also preliminary ultrasonography in order to have at his disposal a greater amount of informations than those furnished by a simple abdominal X-ray. The clinical-radiological integration with such a procedure gains significance; consequently the succeeding urographic phases can be better arranged so as to improve their aim and purpose.