Bone densitometry, or dual-energy X-ray absorptiometry (DEXA), is a non-invasive and painless diagnostic procedure used to evaluate bone mineral density (BMD). When the test is applied to a single forearm, it helps assess the bone health of that specific peripheral area. This examination is particularly beneficial for certain groups of individuals like postmenopausal women not on estrogen therapy, those with hyperparathyroidism, or patients being evaluated for osteoporosis.
Bone health is essential for overall wellbeing and routine functions, providing structure, and enabling mobility. By understanding your bone density status, you can take appropriate actions for the prevention or treatment of conditions like osteoporosis that lead to increased bone fragility and fracture risk.
Preparing for a bone densitometry scan involves minimal requirements:
Note: Home Sample Collection is only for Pathology lab tests.
You will be asked to lie down on a padded table, and a mechanical arm will pass over the arm being tested, emitting a small amount of X-rays.
The test duration typically ranges from 10 to 30 minutes, varying based on the type of equipment used and the number of bones being examined.
No, the bone densitometry test is a painless, non-invasive procedure. However, you will need to stay still while the scan is in progress.
Testing one forearm may be sufficient to evaluate bone health in some cases. It is also a preferred site for those who are obese or who have experienced fractures, as spinal and hip scans can sometimes give misleading results.
Test results are reported as T-scores and Z-scores. The T-score compares your bone density to a healthy young adult of your sex, while the Z-score compares your results to people of your age, gender, and size. A negative T-score suggests your bones are less dense (thinner) than average.
If your test results indicate low bone density or osteoporosis, your doctor may recommend dietary changes, exercise, medication, or supplements to improve your bone health.
Yes, lifestyle changes, including regular weight-bearing exercises, a nutritious diet rich in calcium and vitamin D, and quitting smoking, can enhance bone density. Additionally, certain medications can also be beneficial.
In case of abnormal test results, you should consult a rheumatologist, endocrinologist, or a geriatric medicine specialist.
Getting a bone densitometry scan of a single forearm can provide valuable insights into your bone health, assisting in the early detection of potential risks and timely management of bone-related conditions. Understanding your bone health is a key aspect of overall wellness, especially as you age, and these measures can play a crucial role in maintaining your quality of life and mobility.