Aplasia of the posterior arch of atlas with persistent tubercle
Diagnosis almost certain
Presentation
Neck pain. Incidental finding on plain X ray of the cervical spine.
Patient Data
Age: 50-year-old
Gender: Male
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/53628/annotated_viewer_json?iframe=true\u0026lang=us"}
Absence of the posterior arch, with persistent posterior tubercle.
Cervical spondylosis showing narrowing of C5/6 and C6/7 disc spaces and osteophytic lipping of their endplates.
Case Discussion
Absence of the posterior arch, with persistent posterior tubercle.