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Figure 1

From: Prevalence of sacroiliitis and acute and structural changes on MRI in patients with psoriatic arthritis

Figure 1

Findings compatible with acute sacroiliitis on MRI of the sacroiliac joints. Source: the authors (2019). Coronal STIR sequence: high signal intensity consistent with synovitis (white arrows) on the left and capsulitis (blue arrows) on the right (a). Coronal STIR sequence: high signal intensity bilaterally consistent with bone marrow edema (white arrows) (b). Coronal T1 post-contrast with fat suppression: high signal intensity bilaterally consistent with bone marrow edema (white arrows) and suggestive of capsulitis (blue arrows) on the right and enthesitis on the left (green arrows) (c). Coronal STIR sequence: high signal intensities on the right compatible with bone marrow edema (white arrows) and enthesitis (blue arrows) (d). R: right side, L: left side.

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