Figure 1From: 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 Forty-four-year-old male patient (patient number 9). Patient with an u-aCIL L4, L5 on MRI (arrows) without corresponding increased activity on F PET/CT (arrowheads). Sagittal STIR (a), fused PET/CT (b), CT (c), and PET (d) images.Back to article page