Rheumatoid Arthritis
Rheumatoid Arthritis
Rheumatoid Arthritis
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Cervical spine<br />
• Involved in 70% patients with longstanding<br />
RA<br />
• Occipital pain made worse by movement<br />
• Subluxation of C1-2 with compression of<br />
spinal cord during neck flexion<br />
– Significant if >10 mm instability on flexion<br />
– Usually slowly developing myelopathy<br />
• Subaxial subluxation