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Trans Rectal Ultrasound (TRUS) TRUS is an examination where a finger-like probe is placed in the rectum, and ultrasound pictures are made of the prostate. TRUS is an even more fuzzy test than the PSA. It is very helpful in directing biopsies to areas of high suspicion, but TRUS is non-diagnostic. It may give information about prostate size, shape, and significant local spread of prostate cancer, but it cannot make or deny the diagnosis of prostate cancer. TRUS should never be done as an isolated test, but only when a biopsy is to be done. The
definitive test to make the diagnosis of prostate cancer is the needle biopsy.
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Small amounts of bleeding in the urine, stool or semen are common after biopsy. Significant bleeding, or major infection are occasional complications of needle biopsy, rarely requiring hospitalization. Preparation includes: s stopping blood thinners, (first check with the doctor who has you on this medication). Aspirin should be stopped at least 5 days before, or if that is contraindicated, a baby aspirin may be taken every other day for several days before.s Antibiotics are frequently started the night before the procedure, s A cleansing fleet enema should be taken the morning of the test. s If you are having sedation you must not eat or drink after midnight the night before. You may take all your medicines with a sip of water. Biopsy results will usually be available within a week. You should call your urologist's office and make an appointment to see the doctor at least one week after the biopsy. Most doctors do not give biopsy reports over the phone. Occasional false negative results are obtained so even if cancer is not found, follow-up appointments with your urologist MUST be made and kept. |
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[Home] Werner - Francis Urology Associates llc - Mid Atlantic Urology Associates llc Greenbelt - Bowie - Laurel Maryland (301) 441-8900 Fax (301) 982 0453 7500 Hanover Parkway Suite 206 Greenbelt, MD 20770
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thin needle, guided either by ultrasound or a finger, is inserted through the
rectum into the prostate, and a small sample of tissue taken. Usually 6 to
12 samples are taken from nodules, from suspicious areas seen on sonography, or
in a pattern sampling the entire prostate. This test has a better than 90%
accuracy in diagnosing prostate cancer, although occasional false negative
results occur when a small cancer in the gland is not sampled. The test, while
uncomfortable is frequently done without anesthesia.