MRI
Mild prevertebral oedema/fluid is seen with suspicious calcification along the inferior aspect of the anterior arch of the atlas along the insertion site of the longus colli muscle.
Irregularity is seen along the atlantoaxial joint with chronic erosions/subcortical cystic changes.
Multilevel degenerative spondylotic changes are observed, including marginal osteophytes, disc degeneration, protrusion, thecal sac compression, and foraminal compression.