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Journal of Hand Surgery (British and European Volume)
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Articles

Dual Energy X-Ray Absorptiometry (DXA): Can it Detect Acute Scaphoid Fractures?

A. B. STEPHEN
D. PYE
A. R. LYONS1
J. A. ONI
T. R. C. DAVIS

From the Departments of Medical Physics and Trauma and Orthopaedic Surgery, University Hospital, Queens Medical Centre, Nottingham NG7 2UH, UK

Correspondence: Prof T.R.C. Davis, Department of Trauma and Orthopaedic Surgery, F-floor, West Wing, Queens Medical Centre, Nottingham, NG7 2UH, UK. Tel.: +44 115 924 9924x44337. E-mail: tim.davis{at}mail.qmcuh-tr.trent.nhs.uk

This prospective study investigated whether dual energy X-ray absorptiometry (DXA) could detect acute scaphoid fractures. We blindly compared 10 normal and 10 fractured scaphoid images produced with a new technique of DXA scan analysis. This measured and plotted the density of the scaphoid throughout its length, producing a linear graph of the scaphoids’ density instead of a single area (g/cm2) measurement of bone density.

These new plots only detected six of the 10 fractures and suggested that four of the normal controls were fractured. Thus, this technique of DXA scan analysis is neither sensitive nor specific for the detection of acute scaphoid fractures.

Key Words: scaphoid fracture • DXA

Journal of Hand Surgery (British and European Volume), Vol. 30, No. 1, 83-84 (2005)
DOI: 10.1016/J.JHSB.2004.09.014
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