Bone Density Scan (DXA or DEXA)

This scan is performed to measure the patient's bone mineral density. It is performed with a device called a dual-energy x-ray absorptiometry scanner (DXA or DEXA). The scan can identify loss of bone density.

Who should receive a bone density scan?

Bone scans are most commonly recommended for patients who are at an increased risk of developing osteoporosis. This includes people who have experienced a loss of height, people who have experienced a drop in hormone levels, people who have easily fractured a bone, and people who take certain medications.

Bone Density Scan Procedure

During the scan, the patient is positioned on a padded table under the arm of the scanner. When the scanner is activated, it emits a low dose of radiation. The x-rays are targeted to key parts of the body. In most cases, the bones of the lower spine, hip or forearm are used. The patient must remain still during the scan to avoid blurring of the x-ray images. A typical scan takes about ten minutes to complete.

When the scan is complete, the images are analyzed by a computer. It calculates the patient's bone density. If the patient has experienced a loss of bone density, the physician can determine a proper course of treatment.

Learn more about the Spine Center at Resurgens Orthopaedics.

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