AS: Missed/Mis-Diagnosis

Radiographic Evaluation of Sacroiliac Joints in Axial Spondyloarthritis — Still Worth Performing?

Radiographic evaluation of sacroiliac (SI) joints…
jrheum.org

The yield of a positive MRI of the spine as imaging criterion in the ASAS classification criteria for axial spondyloarthritis: results from the SPACE and DESIR cohorts

Image result for sacroiliitis mri

Objectives To assess the prevalence of spinal inflammation on MRI in patients with chronic back pain (CBP) of maximally 3 years duration and to evaluate the yield of adding a positive MRI-spine as imaging criterion to the Assessment of SpondyloArthritis international Society (ASAS) classification cr…
ard.bmj.com

Thoracic syndesmophytes common in ankylosing spondylitis

Thoracic syndesmophytes may occur even when there are none in the lumbar region.
mdedge.com

Axial SpA features don’t guarantee its diagnosis in chronic back pain

Even when patients with chronic back pain have four or more features of axial spondyloarthritis, a diagnosis of axial spondyloarthritis is not always correct.
mdedge.com