Diffraction enhanced imaging of controlled defects within bone

doi:10.1088/0031-9155/51/12/019

Diffraction enhanced imaging of controlled defects within bone, including bone–metal gaps

D M Connor et al 2006 Phys. Med. Biol. 51 3283-3300 doi: 10.1088/0031-9155/51/12/019

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D M Connor^1,2, D Sayers², D R Sumner³ and Z Zhong¹
¹ Building 725D, Brookhaven National Lab, Upton, NY 11973, USA
² North Carolina State University, 2700 Stinson Drive, Box 8202, Raleigh, NC 27695, USA
³ Rush Medical College, 600 South Paulina, Suite 507, Chicago, IL 60612, USA
E-mail: connord@bnl.gov

Abstract. Gap regions between a bone and an implant, whether existing upon insertion or developing over time, can lead to implant failure. Currently, planar x-ray imaging and CT are the most commonly used methods to evaluate the gap region. An alternative to these available clinical imaging modalities could help to better evaluate bone resorption. Previous experiments with diffraction enhanced imaging (DEI) have shown significant contrast advantages over monochromatic synchrotron radiation (SR) imaging. DEI and planar SR radiography images of bone samples with drill holes and gap regions of known geometry were acquired at the NSLS beamline X15A (Upton, NY, USA). The images acquired with DEI show measurable contrast-to-noise gains when compared to the images acquired using SR radiography.

Print publication: Issue 12 (21 June 2006)
Received 3 February 2006, in final form 5 May 2006
Published 6 June 2006

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Diffraction enhanced imaging of controlled defects within bone, including bone–metal gaps

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