Clinical evaluation of natural history of Peyronie's disease: our experience, old myths and new certainties.

Several studies describing the "natural history" of Peyronie's disease (PD) (Chronic Inflammation of the Tunica Albuginea-CITA) showed that untreated patients with PD seem to have spontaneous improvement. Because of these articles many physicians found to have a non-therapeutic behavior in case of PD. This paper tries to define the natural history of PD using penile dynamic duplex ultrasound evaluation in function of factors able to elicit fibrosis of the penis.