Published in:
01-09-2012 | Perspective
Ankylosing Spondylitis – the changing role of imaging
Authors:
Zoe Ash, Helena Marzo-Ortega
Published in:
Skeletal Radiology
|
Issue 9/2012
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Excerpt
Ankylosing spondylitis (AS) is the disease prototype within a heterogeneous group of inflammatory arthritides known collectively as the seronegative spondyloarthropathies (SpA). The other subtypes as originally described by Moll and Wright are psoriatic arthritis, reactive arthritis and inflammatory bowel disease associated arthritis. The pathogenic hallmark of these diseases is inflammation at the entheses; the sites of attachment of ligament, fascia or tendon insertions into bone. This process affects primarily the axial skeleton, including the spine and sacroiliac joints. Extra-articular features of the disease can include uveitis, aortitis and inflammatory bowel disease. In the majority of cases AS affects individuals in their early twenties and thirties, causing long term pain and disability and leading to work instability and decreased quality of life. Early mortality has been reported, associated mainly with an increased risk of cardiovascular morbidity. …