A study that assessed the similarities and differences of nr-axSpA and ankylosing spondylitis found a significantly higher amount of inflamed lesions seen by MRI per patient in those with established ankylosing spondylitis versus those with nr-axSpA.
The frequency of extra-articular manifestations is generally comparable in patients with ankylosing spondylitis and nr-axSpA.
Major structural changes are not believed to occur in the spines of patients with nr-axSpA.
In most patients, symptoms ensue before the age of 40 years.
Learn more about nr-axSpA.
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Cite this: Lawrence H. Brent. Fast Five Quiz: Nonradiographic Axial Spondyloarthritis - Medscape - May 28, 2020.
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