Article

The EULAR–OMERACT rheumatoid arthritis MRI reference image atlas: the metacarpophalangeal joints

P Conaghan¹, P Bird², B Ejbjerg³, P O’Connor⁴, C Peterfy⁵, F McQueen⁶, M Lassere⁷, P Emery⁸, R Shnier⁹, J Edmonds¹⁰, M Østergaard¹¹

¹ Academic Unit of Musculoskeletal Disease, University of Leeds, Leeds, UK
² Department of Rheumatology, St George Hospital, University of NSW, Sydney, Australia
³ Departments of Rheumatology, Radiology and MRI, Copenhagen University Hospital at Hvidovre, Copenhagen, Denmark
⁴ Department of Radiology, Leeds General Infirmary, Leeds, UK
⁵ Synarc Inc, San Francisco, CA, USA
⁶ Department of Molecular Medicine and Pathology, Faculty of Medicine and Health Sciences, University of Auckland, Auckland, New Zealand
⁷ Department of Rheumatology, St George Hospital, University of NSW, Sydney, Australia
⁸ Academic Unit of Musculoskeletal Disease, University of Leeds, Leeds, UK
⁹ Department of Diagnostic Imaging, Mayne Nickless, Sydney, Australia
¹⁰ Department of Rheumatology, St George Hospital, University of NSW, Sydney, Australia
¹¹ Departments of Rheumatology, Copenhagen University Hospitals at Herlev and Hvidovre, Copenhagen, Denmark

Correspondence to:
Correspondence to:
Prof M Østergaard
Department of Rheumatology, Copenhagen University Hospital at Hvidovre, Kettegaard alle 30, DK-2650 Hvidovre, Denmark; mo{at}dadlnet.dk

This paper presents the metacarpophalangeal (MCP) joint magnetic resonance images of the EULAR–OMERACT rheumatoid arthritis MRI reference image atlas. The illustrations include synovitis in the MCP joints (OMERACT RA magnetic resonance imaging scoring system (RAMRIS), grades 0–3), bone oedema in the metacarpal head and the phalangeal base (grades 0–3), and bone erosion in the metacarpal head and the phalangeal base (grades 0–3, and examples of higher grades). The presented reference images can be used to guide scoring of MCP joints according to the OMERACT RA MRI scoring system.

Abbreviations: EULAR, European League Against Rheumatism; Gd, gadolinium containing contrast agent; MCP, metacarpophalangeal; MRI, magnetic resonance imaging; OMERACT, Outcome Measures in Rheumatology Clinical Trials; RA, rheumatoid arthritis

Keywords: magnetic resonance imaging; erosion; metacarpophalangeal joint; rheumatoid arthritis; synovitis

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