Ultrasound in urological oncology.

Transabdominal, transrectal and transurethral ultrasonography play a major role in the diagnosis and staging of urological tumors. The practical limitations and possibilities of the several techniques are evaluated in the oncological work-up of tumors of the kidney, bladder, seminal vesicles, prostate and testis. Ultrasonography has become an important diagnostic tool in urological oncology.