Sacroiliitis

Case contributed by Raad Al Tahat
Diagnosis almost certain

Presentation

Low back pain

Patient Data

Age: 30 years
Gender: Male
x-ray

Endplate sclerosis and irregularity involving both sacroiliac joints, more evident at the iliac sides. No joint ankylosis.

Case Discussion

Patient is known case of rheumatoid arthritis.

Radiological features are most likely in keeping with bilateral symmetrical sacroiliitis (grade III according to New York criteria).

The differential diagnoses for bilateral symmetrical sacroiliitis include: ankylosing spondylitis, rheumatoid arthritis, enteropathic arthritismulticentric reticulohistiocytosis, and whipple disease.

 

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