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Bone Scan

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by Scholten A

(Radionuclide Bone Scan; Bone Scintigraphy)

 

Reasons for test

The test is done to detect an abnormal process involving your bone, including the following:
Stress Fractures
Tib / Fib fracture
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What to Expect

Prior to Test

Tell your doctor if you are pregnant or breastfeeding. You may need to discard breast milk for several days after a bone scan.
Tell your doctor if you have recently had anything that contains barium (for example, contrast dye) or bismuth (found in some medicines).
Three hours before the scan, you will receive an injection of radioactive tracer chemicals. You should drink plenty of fluids between the time of the injection and the scan. You will also be asked to empty your bladder before the scan.

Description of the Test

You will lie on your back on an imaging table. A camera above and below the table will slowly scan you. You may be asked to move into various positions as the scan is done. It is important to lie still when not told to move. The camera will be able to detect small amounts of radioactivity in the injected material. This will allow the doctor to see areas where there may be bone injury or disease.

After Test

The injection site will be checked for redness and swelling.

How Long Will It Take?

You will be in the scanner for 20-60 minutes. Sometimes another scan is done after 24 hours.

Will It Hurt?

No, the test is painless, except for the mild discomfort of the injection.

Results

If your bone tissue is healthy, your scan will show that the chemical has spread evenly to all of your bones. If there is an area of disease, darker or lighter areas (hot or cold spots) will be evident on the scan. These will show the areas with abnormally active bone breakdown or repair.
 

RESOURCES

American Academy of Orthopaedic Surgeons
http://aaos.org

National Institute of Arthritis and Musculoskeletal and Skin Diseases
http://www.niams.nih.gov

 

CANADIAN RESOURCES

Canadian Orthopaedic Association
http://www.coa-aco.org

Ontario Ministry of Health and Long-Term Care
http://www.mhp.gov.on.ca

 

References


Bone scan. Harvard Family Health Guide website. Available at: http://www.health.harvard.edu/family-health-guide . Accessed June 9, 2008.


Holmes EB. Ionizing radiation exposure with medical imaging. Medscape Drugs Disease & Procedures website. Available at: http://emedicine.medscape.com/article/1464228-overview . Accessed September 23, 2011.


Snderlin BR, Raspa R. Common stress fractures. American Academy of Family Physicians website. Available at: http://www.aafp.org/afp/2003/1015/p1527.html . Accessed June 9, 2008.

 

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