Ankylosing spondylitis
Presentation
Incidental bone findings in a patient imaged for other reasons.
Patient Data
Age: 70-year-old
Gender: Male
From the case:
Ankylosing spondylitis
CT
CT Abdomen and pelvis (selected images - bone window)
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Sagittal bone window
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.