Image diagnosis were space changes,the deflection of the spinous process of vertebral and hyperostosis osteosclerosis.soft tissue lesions near thoracic spinal facet almost was not evaluated.

• CT平扫对各胸椎小关节改变均可评价,表现为关节突肥大,骨赘样增生,关节面硬化,关节间隙改变,关节囊及韧带钙化。