The clinical role of dual energy X-ray absorptiometry

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Dual energy X-ray absorptiometry (DXA) measurements of hip and spine bone mineral density (BMD) have an important role in the evaluation of individuals at risk of osteoporosis, and in helping clinicians advise patients about the appropriate use of anti-fracture treatment. Compared with alternative bone densitometry techniques, hip and spine DXA examinations have a number of advantages that include a consensus that BMD results can be interpreted using the World Health Organisation (WHO) T-score definition of osteoporosis, a proven ability to predict fracture risk, proven effectiveness at targeting anti-fracture therapies, and the ability to monitor response to treatment. This review discusses the evidence for these and other clinical aspects of DXA scanning, including its role in the new WHO algorithm for treating patients on the basis of their individual fracture risk. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)406 - 414
Number of pages9
JournalEuropean Journal of Radiology
Issue number3
Publication statusPublished - Sept 2009


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