Intracranial internal carotid aneurysm causing diplopia
© Kloss et al; licensee Springer. 2011
Received: 13 December 2010
Accepted: 2 September 2011
Published: 2 September 2011
Internal carotid intracranial aneurysms are a relatively rare form of intracranial aneurysm that presents with diplopia, retro-orbital pain and unilateral headaches. The symptoms are progressive and the diagnosis should be considered in a patient presenting with these complaints. Underlying hypertension and advanced age are specific risk factors.
Internal carotid aneurysms located in the intracavernous region account for 3-5% of all intracranial aneurysms . Systemic hypertension is a primary risk factor for development of aneurysm. Life-threatening risk or permanent neurological complications of most carotid cavernous aneurysms (CAA) are relatively low . Despite this, ophthalmic morbidity is a leading consideration for treatment . Diplopia (65% of cases), retro-orbital pain, and unilateral headache are the most common symptoms at presentation of CAA, followed by CN III and CN VI paresis . The mainstay of symptomatic CAA has moved away from surgical and endovascular balloon techniques in favor of endovascular stenting and coiling approaches .
Patient consent was obtained and the case report qualified for IRB exemption given the lack of specific identifiable patient information within the case report and clinical images.
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