The DEXA scan, also known as a bone mineral density test, is a quick and painless way to check the strength of your bones. Using low-dose X-rays, it measures bone density in your lower back, hip, and forearm. Healthcare professionals use this scan to diagnose conditions like osteoporosis or osteopenia, figure out your risk of breaking a bone, and keep an eye on bone health, especially if you're older, have hormone problems, or a long-term illness. The results help doctors decide on the best treatments to keep your bones healthy and prevent fractures.
Disclaimer: Result availability is subject to the laboratory's schedule and test availability.
It measures bone mineral density (BMD) at three sites (lumbar spine, hip, forearm), reported as a T-score or Z-score, indicating bone strength compared to reference populations.
Individuals with risk factors for osteoporosis, such as postmenopausal women, men over 70, or those with low body weight, chronic diseases, or long-term corticosteroid use, may need this test.
The Three Sites scan measures bone density at the lumbar spine, hip, and forearm, providing a more comprehensive assessment than single-site DEXA scans (e.g., hip only).
While primarily used to measure bone density, some DEXA scans include vertebral fracture assessment (VFA) to detect spinal fractures, if clinically indicated.
Certainly, it monitors bone density changes in patients on treatments for osteoporosis (e.g., bisphosphonates) or those with conditions affecting bone health, guiding therapy adjustments.
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