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Imaging in axial spondyloarthritis 

Imaging in axial spondyloarthritis
Chapter:
Imaging in axial spondyloarthritis
Source:
Axial Spondyloarthritis (Oxford Rheumatology Library)
Author(s):

Stefan Siebert

, Sengupta Raj

, and Alexander Tsoukas

DOI:
10.1093/med/9780198755296.003.0011

Imaging has always been a key component in the diagnosis of ankylosing spondylitis as part of the modified New York criteria. With the increased availability of MRI and the development of the ASAS axial spondyloarthritis (axSpA) criteria, there has been a shift from x-ray imaging of structural damage to MRI imaging of inflammation. This information can help in both the diagnosis of axSpA and in guiding treatment decisions in patients with this diagnosis. However, imaging results must be evaluated in the context of the clinical picture and should not be acted on in isolation. Here we review the key imaging modalities used in axSpA, with the main focus on x-rays and MRI of the sacroiliac joints, spine, and peripheral structures. Advances in technology are also likely to lead to the development of even better imaging modalities for axSpA in future.

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