For the determination of the operation treatment tactics concerning urinary bladder tumours, the state of the disease stage has the principal importance. Sonography introduction has reflected in more accurate diagnostics. The authors carried out the determination of the stage with the accuracy of 89.3% at 214 patients, having superficial tumours of the urinary bladder, who were treated by transurethral resection. The authors believe, that the most remarkable contribution consists in better possibility of the T2 and T3 stages differentiation.

Department of Urology Medical Faculty of the Palacký University Olomouc Czechoslovakia