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KMID : 0388220140210030110
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Journal of the Korean Rheumatism Association
2014 Volume.21 No. 3 p.110 ~ p.121
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MRI Features of Axial Spondyloarthritis and Differential Diagnosis: Focusing on the Spine and Sacroiliac Joint
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Lee Seung-Hun
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Abstract
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The spine and sacroiliac joint are involved in most cases of axial spondyloarthritis. Several pathologic findings from a ra-diography involving the spine and sacroiliac joint are the di-agnostic hallmarks of axial spondyloarthritis. However, these radiographic changes reflect structural damage rather than active inflammation, which may delay diagnosis by several years. Nowadays, the Assessment of SpondyloArthritis inter-national Society (ASAS) has focused on the reassessment of existing classification criteria and the development and vali-dation of diagnostic tools to facilitate early diagnosis and as-sessment of treatment response. Magnetic resonance (MR) findings are the most remarkable changes with respect to the previously established classification criteria. Familiarity with typical MRI findings of axial spondyloarthritis and differ-ential diseases is important in order to correctly interpret the findings and avoid misdiagnosis.
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KEYWORD
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Spondyloarthritis, Spine, Sacroiliac joint, Magnetic Resonance Imaging
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