Cervical spine in rheumatoid arthritis
Known case of rheumatoid arthritis, being evaluated for cervical spine, where rheumatologist is querying atlanto-axial dislocation.
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An irregular 'pannus' appearing isointense on T1W and hyperintense on T2W images is seen, with increased atlantoaxial distance.
2 case question available
This case shows characteristic 'pannus' formation around the dens, and atlanto-axial dislocation in rheumatoid arthritis, with narrowing of the foramen magnum and impingement of cervicomedullary junction.