Abstract
Dual Energy X-Ray Absorptiometry (DXA) is the most commonly used method for Bone Mineral Density (BMD) assessment and is an important component in osteoporosis diagnosis and management. DXA systems require ionising radiation to perform this measurement.DXA technologists generally remain within the room while scanning and consequently are exposed to low dose radiation. The use of DXA is increasing in both clinical and research facilities. Additionally, newer systems with higher resolution and faster scan times are becoming available, which is usually achieved with increases in photon flux as well as improvements in detectors. As a result of the increased photon flux, there has been an increased concern for the level of radiation exposure to operators. Previous research has shown radiation dose to technologists performing DXA scanning to be low
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