Fig. 17From: Imaging the spine in arthritis—a pictorial reviewChronic changes in AS by MRI. Sagittal T1 of (a) the cervico-thoracic and (b) the lumbar spine of the patients shown in Fig. 10. There are multiple fatty marrow depositions at vertebral corners and also posteriorly in thoracic vertebral bodies (b, arrows). This was observed to have developed since the MRI performed 3 years previously (shown in Fig. 16a-d) and corresponds to areas of previous inflammationBack to article page