Sacroiliac joints show bilateral sacroiliitis with patchy bilateral subchondral bone marrow oedema more marked on the right and on the sacral side of the joint. There is enhancement of both sacroiliac joints with extensive ilial side sclerosis. Fat deposition is present at a number of sites.
Conclusion:
Findings are those of a spondyloarthropathy affecting the spine and sacroiliac joints with bone marrow oedema and enhancement indicating active disease.