Figure 3From: High bone turnover assessed by 18F-fluoride PET/CT in the spine and sacroiliac joints of patients with ankylosing spondylitis: comparison with inflammatory lesions detected by whole body MRI Thirty-two-year-old male patient (patient number10). Patient with positive findings in the inferior iliac and sacral quadrant of the left iliosacral joint both on MRI (edema, arrows) and on F PET/CT (arrowheads). Axial STIR (a), fused PET/CT (b), CT (c), and PET (d) images.Back to article page