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Radiology

Cystoscopy :: Digital Rectal Examn ::  Pathology
PSA :: Radiology :: Urodynamics :: TRUS

X-rays

A chest x-ray and x-rays of the bones are often taken to check your general health and see if there has been any spread of the cancer to other parts of the body.

Intravenous pyelogram

An intravenous pyelogram is a diagnostic x-ray of the kidneys, ureters, and bladder. It involves injecting a contrast agent or a dye injected intravenously, where then the urinary tract will show up very clearly, which is not seen on regular x-rays. An intravenous pyelogram may be done for many reasons, including:

  • to detect kidney tumors
  • to identify blockages or obstructions of the normal flow of urine
  • to detect kidney or bladder stones
  • to establish if the prostate gland is enlarged
  • to detect injuries to the urinary tract
  • Ultrasound

Ultrasound scans use sound waves to build up a picture of the inside of the body. To scan the prostate gland a small probe is passed into the back passage and the image of the prostate appears on a screen. This type of scan is used to measure the size and density of the prostate. A sample of cells (biopsy) can be taken at the same time for examination under the microscope by a pathologist.

Bone scans

Your doctor may want to see if the cancer has metastasised and has affected you bones.
A small amount of radioactive material is injected into your arm, Abnormal bone absorbs more of the radioactive substance than normal bone and shows up on the scan as highlighted areas (known as 'hot spots'). Your arm will then be scanned an hour later to view the activity of the bone and ascertain whether the cancer has spread.

The level of radioactivity that is used is very small and does not cause any harm.

This scan can also detect other conditions affecting the bones such as arthritis, so further tests such as an X-ray of the abnormal area may be necessary to confirm that it is cancer.

CT scan (CAT scan)

CT SCAN is basically an x-ray tube that rotates in a circle around the patient and takes a series of pictures as it rotates. The multiple x-ray pictures are reconstructed by a computer in axial slice images at different levels. Each level can be examined separately.

A CT scan may show if the cancer has spread beyond the prostate to other parts of the body such as the lymph nodes.

The scan takes from 10-30 minutes. You may be given a drink or injection of a dye, which allows particular areas to be seen more clearly. For a few minutes, this may make you feel hot all over. If you are allergic to iodine or have asthma you could have a more serious reaction to the injection, so it is important to let your doctor know beforehand.

You will probably be able to go home as soon as the scan is over.

Magnetic Resonance Imaging (MRI or NMR scan)

Magnetic Resonance Imaging (MRI) is a noninvasive imaging technique. This test is similar to a CT scan but uses magnetism instead of X-rays to build up cross-sectional pictures of your body. It is used to view organs, soft-tissue, bone, and other internal body structures. In an abdominal MRI, the person's body is exposed to radio waves while in a magnetic field. Cross-sectional pictures of the abdomen are produced by energy emitted from hydrogen atoms in the body's cells.

An individual is not exposed to harmful radiation during this test.

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© Dr. Jimmy Lam Urological & Laparoscopic Surgeon North Adelaide SA