Four-Dimensional Computed Tomography Angiography Demonstrating a Ruptured Basilar Artery Aneurysm Causing Anterior Cerebral Circulation Arrest

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Title:	Four-Dimensional Computed Tomography Angiography Demonstrating a Ruptured Basilar Artery Aneurysm Causing Anterior Cerebral Circulation Arrest
Author(s):	Kortman, H.G.; Boogaarts, H.D. ; Prokop, M. ; Meijer, F.J.A.
Publication year:	2016
Source:	Journal of Stroke and Cerebrovascular Diseases, vol. 25, iss. 9, (2016), pp. e146-7
ISSN:	1052-3057
DOI:	http://dx.doi.org/10.1016/j.jstrokecerebrovasdis.2016.05.016
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/170307
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Subject:	Radboudumc 0: Other Research RIHS: Radboud Institute for Health Sciences Radboudumc 16: Vascular damage RIHS: Radboud Institute for Health Sciences Radboudumc 9: Rare cancers RIHS: Radboud Institute for Health Sciences
Organization:	Neurosurgery Radiology & Nuclear Medicine
Journal title:	Journal of Stroke and Cerebrovascular Diseases
Volume:	vol. 25
Issue:	iss. 9
Page start:	p. e146
Page end:	p. 7
Abstract:	A 61-year-old woman suffered a pronounced subarachnoid hemorrhage. Conventional computed tomography angiography (CTA) showed no enhancement of the intracranial vasculature, whereas there was normal contrast enhancement of bilateral external carotid artery branches. Subsequent four-dimensional computed tomography angiography (4D-CTA) demonstrated active contrast leakage out of a ruptured basilar tip aneurysm, whereas there was no enhancement of the anterior circulation at any time point, consistent with intracranial anterior circulation arrest. This case illustrates that 4D-CTA is superior to conventional CTA for the evaluation of intracranial flow dynamics and delayed intracranial vascular contrast filling.