This site is targeted at medical and radiology professionals, contains user contributed content, and material that may be confusing to a lay audience. Use of this site implies acceptance of our Terms of Use.

Accessory ossicle of the anterior arch of the atlas

Case contributed by: Dr Matt Skalski

Presentation:

Incidental finding

The abnormality depicted is well corticated and appears to articulate with the inferior aspect of the anterior arch of the atlas.

Modality: Diagram

Accessory ossicle of the anterior arch of the atlas.

Case Discussion:

Features compatible with accessory ossicle of the anterior arch of the atlas. This is a rare normal variant and should be DDXed with calcific tendinitis of the longus colli muscles. 

Updating… Please wait.
Loadinganimation

Alert_accept

Error Unable to process the form. Check for errors and try again.

Alert_accept Thank you for updating your details.