What Defines an MRI Considered Indicative of Axial Spondyloarthritis in the Sacroiliac Joints: A Systematic Literature Review.
OBJECTIVE To systematically review the literature to support guidance defining MRI criteria of sacroiliac joint (SIJ) involvement indicative of axial spondyloarthritis (axSpA) for classification. METHODS The primary question for the SLR was 'Which MRI lesion, or combination of lesions, in the SIJ is most sensitive an...