Which pa of the spine is most commonly affected in Rheumatoid ahritis?

Cervical spine is most commonly affected in Rheumatoid ahritis Atlantoaxial involvement of the cervical spine is clinically notewohy because of its potential to cause compressive myelopathy and neurologic dysfunction. Neurologic manifestations are rarely a presenting sign or symptom of atlantoaxial disease, but they may evolve over time with progressive instability of C1 on C2.