[Transrectal ultrasonography in the diagnosis of prostatic cancer].

There is a summary of experience with 771 transrectal ultrasound examinations. According to the authors, this picture forming method is one of the best diagnostical methods in the malignant tumors of the prostate. In every case, when the digital rectal examination is positive and the serum prostate specific antigen level is above 4 ng/ml, the transrectal ultrasonography should be done as well as the ultrasound guided biopsy of prostate. Besides of these facts, the transrectal ultrasound is useful in the following process of the drug- and/or the radiotherapy for the measurement of the therapeutical effect and the perceptions of recidives.