Persistent dorsal ophthalmic artery

Case contributed by Anthony Nuñez


Headache and family history of aneurysms.

Patient Data

Age: 40 years
Gender: Male

MRA shows a right internal carotid artery saccular aneurysm  at the supraclinoid segment projecting laterally.  

As an incidental finding, the left ophtalmic artery arise from the cavernous segment of the internal carotid artery, suggestive of persistent dorsal ophtalmic artery. It enters to the orbit through the superior orbital fissure.

Case Discussion

Normally, the ophthalmic artery arises from the superomedial surface of the ICA and reaches the orbit through the optic canal. 

The persistent dorsal ophthalmic artery it arises from the cavernous segment of the internal carotid artery. It is valuable to know the existence of this anatomical variant in patients who undergo sellar procedures.

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