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Active sacroiliitis

Case contributed by: Dr Roberto Schubert

Presentation:

Chronic low back pain. HLA B27+.

Patient Data:

Age: 30
Gender: Male
Race: Caucasian
Modality: X-ray

Multiple bilateral "string of beads" erosions and subchondral sclerosis of the sacroiliac joints.

Modality: Nuclear medicine

High bone metabolic turnover at both SIJ indicating active inflammation.

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