Consensus statements on the imaging of axial spondyloarthritis in Australia and New Zealand

Free to read Spondyloarthritis (SpA) describes a group of related inflammatory conditions, including ankylosing spondylitis (AS), psoriatic arthritis, reactive arthritis, SpA associated with inflammatory bowel disease and undifferentiated SpA.[1] Classification criteria have been developed and validated by the Assessment of SpondyloArthritis international Society (ASAS) to distinguish axial-predominant SpA from peripherally predominant SpA (Fig. 1).[1, 2] These criteria contribute to diagnosis, but are not ideal diagnostic criteria as they possess only moderate sensitivity.[3] Diagnosis of axial SpA should be established by a rheumatologist, after careful consideration of these criteria and individual patient factors