Atlantoaxial subluxation

Case contributed by Dr Yasser Asiri


Known case of rheumatoid arthritis.

Patient Data

Age: 50 years
Gender: Female

Widening of the predental space is seen in the lateral flexion view reaching 6.8 mm. There are multilevel mild anterior spondylolisthesis of C3 through C5 creating a stepladder appearance in the vertebral bodies. Diffuse reduced bone mineralization is noted. 

Case Discussion

Atlantoaxial joint is frequently involved in patients with rheumatoid arthritis. Erosions and pannus formation cause disruption of the supporting structures and eventually lead to atlantoaxial subluxation or basilar invagination.  

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Case information

rID: 77371
Published: 16th May 2020
Last edited: 18th May 2020
Inclusion in quiz mode: Included

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