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[Ultrasonography and the kidney: a screening method?].

The Authors retrospectively analyzed 733 hepatic U.S. involving non symptomatic urologic patients. The study detected 23 renal cysts, 3 lithiasis (with associated hydronephrosis in two) and 3 kidney neoplasms. It is concluded that U.S. represents a reliable and useful screening method for renal carcinoma, therefore it should be routinely adopted.