Ankylosing Spondylitis
Ankylosing Spondylitis
AP view
- Symmetric sacroiliitis with fusion of the bilateral sacroiliac joints.
- Bamboo sign: fusion of multiple vertebral bodies by marginal syndesmophytes
- Dagger sign: central radiodense line on frontal radiograph related to ossification of the supraspinous and interspinous ligaments
Lateral view
Accession: CL0209
Study description: spine