Unlock the Secrets of Your Bones
A bone mineral density or BMD test uses special low dose X-ray to measure the density of calcium and other minerals in your bones to assess bone strength. This bone mineral density test helps in the diagnosis of osteoporosis, a silent disease that thins and weakens bone and increases the risk of fractures.
Bone mineral density testing is recommended for the following individuals:
Types of BMD Testing
Different techniques of measuring BMD include:
Risks and Complications
The BMD test is generally safe but involves possible risks due to exposure to radiation. It is not recommended during pregnancy.
Bone mineral density testing measures the amount of calcium and other minerals in a particular area of bone. This pain-free medical test helps to detect osteoporosis and assess your risk of future bone fractures.
The BMD scan is conducted in a special radiology department.
Results of a BMD test are reported in two ways; as T-scores and as Z-scores.
Your T-score will be your BMD compared to the average score of a healthy 30-year-old. A negative value is an indication of thinner bones with low BMD, and a positive value is an indication of stronger bones. A normal T-score is greater than minus 1 (-1), whereas a T-score of minus 1 to minus 2.5 indicates osteopenia, and a score of minus 2.5 or less indicates osteoporosis.
A Z-score compares your results to other individuals of the same age, weight, ethnicity, and gender. A Z-score of less than minus 1.5 raises concern of osteoporosis due to factors other than aging.