[Uronephrologic echography: state of the art].

We report the ultrasound usefulness and capacity of them to be explain several disease that find field of uronephrology. We value the improvement make to the system. At the time, in fact, it is the early diagnostic technique to be performed. The AA emphasize the absence of invasiveness, the simplicity and the good compliance. Ultrasonography limit the application of more invasive and complicate procedure as TAC and RM.