Enteropathic arthritis with bilateral SI joint ankylosis

Case contributed by Stefan Tigges
Diagnosis almost certain

Presentation

Back pain in a patient with Crohn disease.

Patient Data

Age: 45 years
Gender: Male

Symmetric fusion both sacroiliac joints.

Confirms symmetric fusion both sacroiliac joints.

Case Discussion

This patient has Crohn disease, so the sacroiliac joint findings (ankylosis) are most likely due to enteropathic arthritis.

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