ClariPACS

Ankylosing Spondylitis

Ankylosing Spondylitis

AP view
  1. Symmetric sacroiliitis with fusion of the bilateral sacroiliac joints.
  2. Bamboo sign: fusion of multiple vertebral bodies by marginal syndesmophytes
  3. Dagger sign: central radiodense line on frontal radiograph related to ossification of the supraspinous and interspinous ligaments
Lateral view

  1. Vertical syndesmophytes



Accession: CL0209

Study description: spine

Close