Fig. 21From: Imaging the spine in arthritis—a pictorial reviewEnteropathic SpA. Sagittal STIR image of the lumbar spine in a 27-year-old man with ulcerative colitis demonstrates oedema corresponding to the interspinous ligaments (arrows) and spinous processes as signs of inflammation. There are only minimal activity changes corresponding to the vertebral bodies, located to the anterior vertebral cornersBack to article page