Retrosp study in France compared MRIs of 96 pts w/ SpA (65% w/ IBP) vs 104 w/o (25% w/ IBP): - 65% of pts w/ SpA had bone marrow edema (BME) mainly in the iliac quad of intermed middle segment - 20% w/o SpA had BME mainly in antero-middle quad. #Abst1535 #ACR2020 @RheumNow https://t.co/1ptGGUbUS4