Ankylosing spondylitis

Case contributed by Dr Ali Abougazia

Presentation

History of increasing hip and lower back pain for years.

Patient Data

Age: 30
Gender: Male
MRI

Both sacroiliac joints show more or less symmetrical subchondral marrow edema signal being of high T2 / STIR and low T1 signal mixed with some sclerotic signal which is low in all sequences. These changes are more marked at the sacral aspect of both articulations.
Similar subchondral marrow edema signal is noted at the anterior and posterior upper corners of L4 and lower corners of L3 vertebral bodies with normal height and bright T2 signal of L3/L4 disc.

Case Discussion

Bilateral rather symmetrical sacroiliitis. In light of the patient’s age and gender, the above described changes are suggestive of ankylosing spondylitis, for further clinical and laboratory correlation with HLA-B27.

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Case information

rID: 22345
Case created: 27th Mar 2013
Last edited: 4th Dec 2015
Inclusion in quiz mode: Included

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