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High STIR signal in the pedicles bilaterally at L4 and L5, and L3 on the right. The L4 and L5 pedicular changes are more pronounced on the left.
Minor diffuse disc bulges at L4/L5 and L5/S1 with tiny annular tears in the posterior discs.
The central canal and exit foramen are capacious at both levels. No nerve root impingement.
Irregularity of both sacroiliac joints, with altered bone marrow signal in the posterior aspect of both iliia.
No sacroiliac joint effusion.