Lopatkin N A, Ignashin N S, Korolev M K, Alferov B V
Urol Nefrol (Mosk). 1989 Jan-Feb(1):3-6.
Investigation of 18,000 patients has demonstrated the value of ultrasonography for the detection and differential diagnosis of renal tumors. Benign renal tumors, detected by ultrasonography at a population screening, make up 21.4% of all detected tumors of the renal parenchyma. Typical echographic features of renal angiomyolipomas make ultrasonography effective even in cases of small formations, whereas computerized tomography was only valuable where the size of the tumor was more than 1.5 cm. There were diagnostic difficulties in one case of renal adenoma. There were no changes of size or structure of the formation in 23 patients with typical ultrasonic appearance of renal angiomyolipoma over 1 through 3 years of follow-up, so that active surgical intervention can be avoided here; where ultrasonic appearance is doubtful, additional combined investigation and surgery, where necessary, are required.
