Normal variants: Anomalous origin of ophthalmic artery from middle meningeal artery,
Anterior falx (anterior meningeal) artery enlargement

Case #1

The ophthalmic artery arises from the middle meningeal artery in this case.  The anterior falx artery (anterior meningeal artery) is enlarged and supplying a frontal  meningioma.

Case #2

The anterior falx artery (anterior meningeal artery) is a branch of the ophthalmic artery. It can enlarge and provide additional intracranial blood flow in patients with moyamoya disease.

Case #3

Anomalous origin of ophthalmic artery from the middle meningeal artery in patient with a juvenile nasal angiofibroma.

 
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