The inflammatory mediators of RA including cytokines, growth factors, metalloproteinases destroy articular cartilage, subchondral bone, tendons and ligaments. Destructive synovitis leads to bone erosion and causes the ligaments of the<unk>  to become too laxed (loose), eventually resulting in cervical<unk> l instability (loose neck bones).
Rheumatoid disease of the spine
Spondylolysis
Spondylosis deformans
Neuropathic arthropathy
Axial spondyloarthritis
Ankylosing spondylitis
Spinal disc herniation
Vertebral osteomyelitis