Descriptions of spinal MRI lesions and definition of a positive MRI of the spine in axial spondyloarthritis: a consensual approach by the ASAS/OMERACT MRI study group

Annals of the Rheumatic Diseases
Kay-Geert A HermannAssessment in SpondyloArthritis international Society (ASAS)

Abstract

The aim of this study was to define characteristic MRI findings in the spine of patients with axial spondyloarthritis (SpA) and provide a definition of a positive spinal MRI for inflammation and structural changes. Technical details of spinal MRI and the description of spinal lesions of both inflammation and structural changes were discussed in consecutive meetings of 10 experts of the Assessment in SpondyloArthritis international Society (ASAS). The discussions aimed at a broad consensus on definitions of 'a positive spinal MRI' for both types of lesions and were backed up by a systematic literature search. A total of six different types of lesions were described for inflammation--anterior/posterior spondylitis, spondylodiscitis, arthritis of costovertebral joints, arthritis of zygoapophyseal joints and enthesitis of spinal ligaments--and another four for structural changes--fatty deposition, erosions, syndesmophytes and ankylosis. In the literature review, four relevant papers were identified. Anterior/posterior spondylitis and fat depositions at vertebral edges were considered as the most typical findings in SpA. Based on expert consensus and taking the literature review into consideration, a positive spinal MRI for inflamma...Continue Reading

Citations

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Jul 10, 2012·Current Rheumatology Reports·Salih Ozgocmen, Muhammad Asim Khan
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