A DEXA scan (Dual-Energy X-ray Absorption), ro DXA scan, is an enhanced X-ray image of the skeleton that provides the most accurate bone density scans available.
Bone density tests evaluate bone mineral density and are most often used to determine whether patients have osteoporosis, a condition in which bones are weakened and fracture easily. Having such information from this bone density scan will give your doctor a better idea of the next steps to take.
A bone density scan is a simple, fast procedure with no needles and no need for anesthesia and includes a very small radiation dose. No radiation remains in the body after the procedure, and there are no side effects associated with a bone density scan. This procedure usually takes 10 to 20 minutes to perform, depending on which parts of the body are being examined.
During a bone density scan, the patient lies on a table with an X-ray generator on one side and an imaging device on the other. The targeted area of the body, such as the spine, hip or forearm, will be positioned between the X-ray generator and imaging device. The results of your bone density scan are evaluated and compared to a reference population of similar age, weight and sex. This information is then used to make a diagnosis about your bone status.
No special preparation is needed.
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