Ankylosing spondylitis

Case contributed by Bruno Di Muzio
Diagnosis almost certain

Presentation

Incidental bone findings in a patient imaged for other reasons.

Patient Data

Age: 70-year-old
Gender: Male

CT A/P bone window

ct

Selected images demonstrating spine ankylosis involving continuously all the thoracolumbar contemplated vertebral bodies. There is also fusion of both sacroiliac joints.

Case Discussion

Ankylosing spondylitis is the most common seronegative spondyloarthritis, with a strong male predilection. 

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