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Transrectal Ultrasound
Transrectal Ultrasound with MRI
A transrectal ultrasound with MRI combines a traditional magnetic resonance image (MRI) with a transrectal ultrasound. The result is a 3D image that gives the surgeon more precise information on where the tumors are within the prostate and pinpoints the area(s) from which the biopsy specimen should be taken.
The greater accuracy of this procedure means that one-quarter to one-third of patients may avoid surgery, opting instead for active surveillance.
Transrectal Biopsy
For a transrectal biopsy, your doctor inserts a needle through the ultrasound probe into your prostate and removes tissue samples from several different areas of the gland, which are then examined for cancer cells. If the biopsy confirms prostate cancer, the next steps can range from monitoring the cancer to treating it — depending on the severity.
A low-grade, non-aggressive prostate cancer can sometimes be watched for quite some time — called active surveillance — before requiring treatment. If the cancer is aggressive or has progressed to a later stage, your doctor will discuss treatment options with you.