Serial MRI study of SI & lumbar (LS) joints in 24 early axSpA (Sxs < 5.5yrs) over 3 yrs, showed: - SIJ developed bone marrow edema, sclerosis & erosion. - LS: fat lesions decreased & erosions increased. - Facet joint inflammation (in t0) significantly influenced yr 3. LS bony… https://t.co/COlFAXVE1x https://t.co/4Xs9ngJN4w