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Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài:Conventional radiography requires a MRI-estimated bone volume loss of 20% to 30% to allow certain detection of bone erosions in rheumatoid arthritis metacarpophalangeal joints. | Available online http arthritis-research.eom content 8 3 R59 Research article Conventional radiography requires a MRI-estimated bone volume loss of 20 to 30 to allow certain detection of bone erosions in rheumatoid arthritis metacarpophalangeal joints Bo Jannik Ejbjerg1 Aage Vestergaard2 Soren Jacobsen3 Henrik Thomsen4 and Mikkel Ostergaard5 Department of Rheumatology Copenhagen University Hospitals at Hvidovre and Gentofte Kettegaard Allé30 2650 Hvidovre Denmark 2Department of Radiology Copenhagen University Hospital at Hvidovre Kettegaard Allé30 2650 Hvidovre Denmark 3Department of Rheumatology Copenhagen University Hospitals at Rigshospitalet Blegdamsvej 9 2100 Copenhagen Denmark 4Department of Diagnostic Radiology Copenhagen University Hospitals at Herlev Herlev Ringvej 75 2730 Herlev Denmark 5Department of Rheumatology Copenhagen University Hospitals at Hvidovre and Herley Kettegaard Allé30 2650 Hvidovre Denmark Corresponding author Bo Jannik Ejbjerg ejbjerg@dadlnet.dk Received 1 Dec 2005 Revisions requested 21 Dec 2005 Revisions received 30 Jan 2006 Accepted 10 Feb 2006 Published 15 Mar 2006 Arthritis Research Therapy 2006 8 R59 doi 10.1186 ar1919 This article is online at http arthritis-research.com content 8 3 R59 2006 Ejbjerg et al. licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Open Access Abstract The aim of this study was to demonstrate the ability of conventional radiography to detect bone erosions of different sizes in metacarpophalangeal MCP joints of rheumatoid arthritis RA patients using magnetic resonance imaging MRI as the standard reference. A 0.2 T Esaote dedicated extremity MRI unit was used to obtain axial and coronal T1-weighted gradient echo images of the dominant 2nd to 5th MCP joints of 69 RA .
