Basilar Artery Trunk Aneurysm: Spontaneous Subarachnoid Hemorrhage Due to an Aneurysm Associated with a Fenestration of the Basilar Artery, Endovascular Coil Occlusion
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The following case concerns a young female patient with spontaneous subarachnoid hemorrhage (SAH) due to a ruptured aneurysm originating at a non-fused, fenestrated proximal segment of the basilar artery. The aneurysm was treated with endovascular coil embolization which resulted in complete exclusion, and the patient showed a complete clinical recovery. A second aneurysm originating from the left internal carotid artery (ICA) was diagnosed during the follow-up and was treated in a separate session using a flow diverter stent. Three additional cases of ruptured aneurysms of non-fused basilar arteries are presented at the end of the discussion. Basilar artery fenestration with associated aneurysm formation is the main topic of this chapter.
KeywordsBasilar artery trunk Fenestration Subarachnoid hemorrhage Coiling pCONus
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