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Transrectal Ultrasound (TRUSS)

What is a Transrectal ultrasound?

A Transrectal Ultrasonography Scan of the prostate is performed for many reasons. Some of the main reasons include: a rising PSA level, family history of prostate cancer or changes in the flow or frequency of your urination.

The TRUSS assessment involves the use of an ultrasound probe which takes measurements of the prostate gland, and visualizes the surrounding structures at the same time. The clearest view of prostate gland is seen via the rectal passage. In order for the structures to be clearly identified, it is important that you arrive to your procedure with urine in your bladder, however there is no need for your bladder to be full. The procedure is quick and you should be able to carry out your normal daily activities afterward.

There is no need to fast. Please remain hydrated and eat/drink as per usual.

Once the procedure is completed, you can empty your bladder in our facilities and Dr. Mulcahy will discuss the results with you in his office before you leave.

The Procedure

An ultrasound probe is inserted in to the anal canal, which allows an image of the prostate gland to be seen. You will feel the probe move around as Dr. Mulcahy takes three measurements of the prostate gland to retrieve its volume. He will also look at the bladder wall, bladder neck and will take a measurement of this area.

Once the measurements have been taken, the ultrasound procedure is complete, however Dr. Mulcahy will also perform a digital rectal exam before you get dressed and see him in his office.

If your partner is with you, they are welcome to come in to the office to discuss the results.