[Diagnostic ultrasound in urology: renal tumors (author's transl)]

Diagnostic ultrasound is a very useful method in the field of space occupying les sions of the kidneys. After the intravenous urogram the noninvasive procedure has priority to any other technique. The diagnostic accuracy lies between 87 and 95% provided the solid lesion extends 2 cm in diameter. The sonographic criteria for tumors are described.