What is the criterion standard for the evaluation of bone mineral density (BMD) in the workup of osteoporosis?

Updated: Jan 20, 2021
  • Author: Rachel Elizabeth Whitaker Elam, MD, MSc; Chief Editor: Herbert S Diamond, MD  more...
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DXA is currently the criterion standard for the evaluation of BMD. [5, 6] Compared with other screening tools (eg, calcaneal quantitative ultrasonography, the Simple Calculated Osteoporosis Risk Estimation [SCORE]), DXA has been found to be efficacious and cost-effective. [125] DXA is not as sensitive as quantitative computed tomography (QCT) scanning for detecting early trabecular bone loss, but it has comparable costs, [125] it is done on an outpatient basis, [4] and there are no special requirements for performing it. Also, radiation exposure is kept to a minimum.

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