Two Patterns of Sacroiliac Joint Bone Marrow Oedema are apparent in AxSpA Determined by HLA-B27 Status, Body Mass Index or Psoriasis
OBJECTIVE: The sacroiliac joint (SIJ) plays a key role in load transmission, and in axial spondyloarthritis (axSpA), HLA-B27-positive disease is typically associated with sub-fibrocartilaginous bone marrow oedema (BMO). However, the relevance of other BMO patterns remains unclea…