DXAscreening

DXA screening, also known as dual-energy X-ray absorptiometry, is a non-invasive medical imaging technique used to assess bone mineral density (BMD). It is commonly employed to diagnose osteoporosis, a condition characterized by weakened bones that can lead to fractures. DXA screening involves the use of low-dose X-rays to create detailed images of the bones, allowing for precise measurements of BMD.

The procedure is typically performed in a clinical setting and is relatively quick, taking only a few minutes to complete. During the scan, the patient lies on a table that moves through the X-ray machine. The machine emits two different energy levels of X-rays, which pass through the bones and are detected by a sensor. The difference in absorption between the two energy levels provides information about the mineral content and density of the bones.

DXA screening is considered the gold standard for diagnosing osteoporosis and evaluating fracture risk. It is particularly useful for identifying individuals at high risk of bone fractures, especially those who have experienced a previous fracture or have a family history of osteoporosis. The results of a DXA scan are typically reported as a T-score, which compares the patient's BMD to that of a young, healthy adult of the same sex.

In addition to diagnosing osteoporosis, DXA screening can also be used to monitor the effectiveness of treatment for conditions such as osteoporosis and Paget's disease of bone. Regular DXA scans can help healthcare providers track changes in bone density over time and adjust treatment plans as needed. Overall, DXA screening plays a crucial role in the early detection and management of bone health issues, contributing to improved patient outcomes and reduced fracture risk.