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 REVIEW ARTICLE
Year : 2020  |  Volume : 68  |  Issue : 6  |  Page : 1301--1306

Basilar Artery Perforator Aneurysms and their Contemporary Management


Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA

Correspondence Address:
Dr. Mithun G Sattur
Suite 301 CSB, 96, Jonathan Lucas Street, Charleston, SC 29425
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.304111

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Background: Aneurysms arising in relation to perforators of the basilar artery (basilar perforator aneurysms or BPA) are very rare. Prior literature indicates the need for typically more than one angiogram for diagnosis, and argues for the utility of delayed angiograms in cases of subarachnoid hemorrhage (SAH) with initial negative studies. Different treatment modalities for BPA including endovascular, microsurgical, and conservative management have been described. Contemporary management appears to favor endovascular therapy. We discuss the topic by presenting a case which represents the first instance of BPA diagnosis after a fourth angiogram and subsequent successful endovascular occlusion. A literature review is provided. Objective: To discuss the unique presentation and management dilemmas in the rare entity of basilar artery perforator aneurysms by presentation of a case that was managed successfully by endovascular means. We also indirectly highlight the need for multiple follow-up angiograms in initial angiographically negative subarachnoid hemorrhage. Methods and Materials: We describe a 62–year-old male presenting with good clinical grade SAH and three negative angiograms, whose hospital course was complicated by repeat intraventricular hemorrhage. A fourth angiogram revealed a BPA. Multiple overlapping stents placed in the basilar artery achieved successful aneurysm exclusion. A comprehensive review of the literature was performed on PubMed. Results and Conclusions: Only 57 cases of BPAs have been described in literature. Multiple angiograms may be necessary for diagnosis. These aneurysms present with SAH. Endovascular flow modification is the current treatment of choice by means of overlapping stents or flow diversion.






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