What Is a DEXA Bone Scan?
A dual energy X-ray absorptiometry (DEXA) bone scan is a medical imaging technique used to assess the bone density of a patient. In the typical procedure, small amounts of X-ray radiation from two different sources are directed through the patient’s bones, and a detector measures the amount of radiation that isn’t absorbed by the body. The scan is most commonly employed to check for osteoporosis. Since the dose of radiation is small, there are usually no side effects.
