Presentation
Cervical radiograph was taken after a car accident to exclude fractures.
Patient Data
Age: 30 years
Gender: Male
From the case:
Arcuate foramen
{"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/66642/annotated_viewer_json?lang=us"}
No fracture was noted.
Arcuate foramen as normal variant is noted
Case Discussion
The arcuate foramen refers to a bony bridge on the atlas (C1 vertebra) that covers the groove for the vertebral artery formed by ossification of the posterior atlanto-occipital membrane and has a female predilection.