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Crista galli prominence

Case contributed by Mostafa Elfeky
Diagnosis almost certain

Presentation

Recent onset of headache for 20 days and hypertension.

Patient Data

Age: 35 years
Gender: Female

Brain

mri

Unremarkable brain.

Incidentally noted prominent crista galli with fatty marrow.

Case Discussion

Crista galli is a normal anatomical structure in the floor of the anterior cranial fossa. It can be prominent and either pneumatized or show fatty marrow. It is completely surrounded by the pyramidal low-intensity cortex on MRI. It shouldn't be misinterpreted as dermoid or lipoma. 

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