Axial spondyloarthritis (axSpA) is a chronic inflammatory disease disorder that predominantly involves the axial skeleton, with sacroiliitis as a key diagnostic feature. The presence of radiographic sacroiliac joint (SIJ) damage is crucial in differentiating non-radiographic axSpA (nr-axSpA) from radiographic axSpA (r-axSpA) [1–4]. Sacroiliac arthritis is classified into five radiographic Grades, and achievement of Grade II and above (presence of radiologic injury) is necessary for the diagnosis…