The purpose of screening is early diagnosis and treatment. Screening tests are usually administered to people without current symptoms, but who may be at high risk for certain diseases or conditions.
The main screening test for osteoporosis is called a bone mineral density test (BMD). This is a painless, noninvasive method of measuring your bone mass. A BMD test can detect osteoporosis before a fracture occurs and can estimate your risk of having a fracture in the future.
With a BMD test, your bone mass is measured and then compared to that of either (1) a healthy 30-year-old adult (T-score) or (2) the expected bone mass of someone your age (Z-score). Because low BMD is common among older adults, comparison to peers your age can be misleading. The results of a BMD test will indicate whether you have normal bone density, low bone density (called osteopenia), or full-blown osteoporosis.
There are several types of BMD tests that are used to screen for or diagnose osteoporosis.
Currently there is no consensus within the medical community regarding BMD screening tests. The decision whether to screen is usually made on an individual basis based on your risk factors. The National Osteoporosis Foundation suggests the following for initial screening:
Clinician's guide to prevention and treatment of osteoporosis. National Osteoporosis Foundation website. Available at: http://www.nof.org/files/nof/public/content/file/950/upload/523.pdf. Updated 2013. Accessed July 22, 2013.
Osteoporosis. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php. Updated July 15, 2013. Accessed July 22, 2013.
5/16/2008 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Qaseem A, Snow V, et al; Clinical Efficacy Assessment Subcommittee of the American College of Physicians. Screening for osteoporosis in men: a clinical practice guideline from the American College of Physicians. Ann Intern Med. 2008;148:680-684.
4/21/2015 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Altkorn D, Cifu AS. Screening for osteoporosis. JAMA;313(14):1467-1468.
Last reviewed May 2015 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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