CHORUS

Collaborative Hypertext of Radiology

Musculoskeletal system

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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

Related CHORUS documents: sacroiliitis Reiter syndrome HLA B-27 antigen Andersson lesion Crohn disease: extraintestinal manifestations psoriatic arthritis

Copyright © 2013, Charles E. Kahn, Jr.