Presentation
Back pain
Patient Data
Age: 65 years
Gender: Male
From the case:
Ankylosing spondylitis
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Fusion of the spinous processes of thoracic vertebral bodies is seen giving a dagger sign appearance.
Multilevel marginal syndesmophytes are seen.
Square vertebral bodies on lateral view.
Case Discussion
Ankylosing spondylitis is a seronegative spondyloarthropathy. It presents as an inflammatory arthritis affecting the entire spine, ultimately leading to fusion.
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