Since ultrasonography is increasingly used complementary to the clinical urological practice, incidental detection of non-palpable testicular nodules is also increased. This is not surprising, as the same phenomenon was observed in the past for the detection rate in the liver and kidney of incidental masses like haemangiomas and simple cysts, which were considered uncommon before the widespread introduction of the ultrasonographic modes. Indeed, ultrasonography discloses the actual prevalence of the testicular nodules.
