Surg Neurol
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Review Case Reports
De novo vertebral artery-posterior inferior cerebellar artery aneurysm: a case report.
There have been few reports of de novo aneurysms in the posterior circulation since most de novo aneurysms occur in the anterior circulation. ⋯ The first case of a subarachnoid hemorrhage from a right de novo VA-PICA aneurysm is presented. The characteristics of de novo aneurysms in the posterior circulation are discussed.