Internal carotid artery aneurysm

Case contributed by Dr Laughlin Dawes

Presentation

Headache.

Patient Data

Age: 50
Gender: Female
Modality: CT

Right internal carotid artery aneurysm arising from the clinoid or proximal ophthalmic segment (probably at the origin of the ophthalmic artery). The aneurysm erodes the sphenoid bone and protrudes into the sphenoid sinus - a graphic demonstration of the potential for epistaxis, a rare presentation of cerebral aneurysm.

Case Discussion

The most common presentation of cavernous ICA aneurysms is with mass effect, with only 3% presenting with epistaxis. Coil embolisation is a treatment option for cavernous ICA aneurysms presenting with epistaxis.

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Case Information

rID: 7956
Case created: 24th Dec 2009
Last edited: 6th Nov 2015
Inclusion in quiz mode: Included

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