Abstract:Blister aneurysms comprise about 1 % of ruptured intracranial aneurysms. They are associated with higher rates of rebleeding and, as a result, with greater mortality and morbidity than typical aneurysms. Because of rarity, the etiology and pathology are poorly understood. Diagnosis relies on a stereotypical appearance and location at non-branch points on the internal carotid artery at angiography, together with inspection at surgery. They are increasingly seen involving other intracranial arteries and generall… Show more
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