Transurethral and Transrectal Ultrasonic Scanning in Urology

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Abstract
An ultrasonic scanner is described that can be used for transurethral as well as for transrectal scanning of the bladder, the prostate and the seminal vesicles. Transurethral scanning is performed as an integral part of a cystoscopy procedure, with a small rotating transducer through the cystoscope. Transrectal scanning is done with a larger transducer inside a water-filled balloon inserted into the rectum. Patients (200) were examined with the scanner. The bladder was visualized best by transurethral scanning, while the rectal approach was preferable for examination of the prostate and the seminal vesicles. The method has proved especially useful in staging bladder tumors and prostatic cancer, in estimating prostatic size and in detecting pathology, such as abscesses in the prostate and the seminal vesicles.

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