Ankylosing spondylitis

Case contributed by Hidayatullah Hamidi
Diagnosis almost certain

Presentation

Chronic back pain.

Patient Data

Age: 40 years
Gender: Male
x-ray

The vertebral bodies are fused by marginal syndesmophytes giving the appearance of a Bamboo spine.

mri

Erosions at the corners of lumbar vertebral bodies (Romanus lesions- shiny corner sign)

Diffuse syndesmophytic ankylosis gives a "bamboo spine" appearance along the dorsal spine.

Evidence of ossification of the anterior longitudinal ligament.

Vertebral bodies' height and marrow signal are normal.

Increased curvature of the thoracic spine (kyphosis).

Case Discussion

The features are suggestive of ankylosing spondylitis.

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