Fossa navicularis magna

Case contributed by Dr Maximiliano Darakdjian

Presentation

Chronic daily headache.

Patient Data

Age: 30 years
Gender: Female
MRI

Incidental finding of a notch-like bony defect on the inferior surface of the ventral clivus in the basiocciput which appears to be filled by lymphoid tissue of the pharyngeal tonsil.

Case Discussion

The notch-shape defect on the inferior surface of the ventral clivus is an anatomical variant of the skull base known as fossa navicularis magna.

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Case information

rID: 89999
Published: 31st May 2021
Last edited: 31st May 2021
System: Head & Neck
Inclusion in quiz mode: Included
Institution: Resobaires

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