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Skeletal Radiology

, Volume 47, Issue 11, pp 1585–1586 | Cite as

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Magnetic resonance imaging of the sacroiliac joints indicating sacroiliitis according to the assessment of spondyloarthritis international society definition in healthy individuals, runners, and women with postpartum back pain.

de Winter J, et al.

Arthritis Rheumatol. (2018); 70(7):1042–8.

The sacroiliac joints (SI) of 172 subjects were retrospectively scored on MR images by 3 readers (2 rheumatologists and 1 PhD) for bone marrow edema-like lesions (BMELs) defined by the Assessment of Spondyloarthritis International Society (ASAS) as “highly suggestive of spondyloarthropathy (SpA)”. Spondyloarthritis Research Consortium of Canada (SPARCC) system scores were assigned based on the presence of BMELs in the 4 quadrants of the SI joints (superior/inferior ilium and sacrum bilaterally) on 6 consecutive coronal slices (48 regions per patient, maximum score of 48). The authors also assessed the presence of “deep” BMELs (extension ≥1 cm below articular surface) for each of these coronal images....

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