Presentation
RTA. Neck pain.
Patient Data
Age: 15 years
Gender: Female
From the case:
Arcuate foramen
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Well defined foramen of the atlas well illustarted on the lateral film.
From the case:
Arcuate foramen
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The arcuate foramen is contained within the circle annotation.
Case Discussion
The arcuate foramen atlantis is a anatomical variant of the atlas (C1).
It arises due to calcification of the oblique atlanto-occipital ligaments. The vertebral arteries pass through this foramen.