ankylosing spondylitis

• males (90%)
• a/w HLA B-27

• "squaring" of anterior vertebral surfaces ("shiny corners")
• bony fusion --> "bamboo spine"
  • SI joints
  • T-spine costo-transverse + costo-vertebral joints
  • syndesmophytes in ant. + post longitudinal ligaments

© 2002, C.E. Kahn, Jr.
2002-04-18