Arcuate foramen

Case contributed by Dr Patrick Nicholson

Presentation

Longstanding non-traumatic neck pain.

Patient Data

Age: 20 years
Gender: Male
X-ray

Incidental finding of arcuate foramen. 

Case Discussion

The arcuate foramen is a bony ridge on the atlas (C1 vertebral body) that covers the groove for the vertebral artery.  It is a common variant and is also known as:

  • panticulus posticus ("little bridge")
  • Kimmerle anomaly 
  • foramen sagittale
  • foramen atlantoideum
  • foramen retroarticulare 
  • superior canalis vertebralis
  • foramen arcuale atlantis

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.