Hypoglossal canal (eagle sign)

Case contributed by Frank Gaillard
Diagnosis not applicable
Diagram

Coronal CT through the base of skull demonstrating the typical appearance of the occipital condyle and jugular tubercle, mimicking an eagle in profile. The hypoglossal canal runs under the neck/beak. 

Case Discussion

Eagle image care of Pixabay.com user Steppinstars. Original image and license here.

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