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Title of Journal: Neuroradiology

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Abbravation: Neuroradiology

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Springer Berlin Heidelberg

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DOI

10.1016/0167-1987(92)90026-8

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1432-1920

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Wall enhancement on highresolution magnetic reson

Authors: Peng Hu Qi Yang DanDan Wang ShaoChen Guan HongQi Zhang
Publish Date: 2016/07/20
Volume: 58, Issue: 10, Pages: 979-985
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Abstract

The aneurysm wall has been reported to play a critical role in the formation development and even rupture of an aneurysm We used highresolution magnetic resonance imaging HRMRI to investigate the aneurysm wall in an effort to identify evidence of inflammation invasion and define its relationship with aneurysm behaviorPatients with intracranial aneurysms who were prospectively evaluated using HRMRI between July 2013 and June 2014 were enrolled in this study The aneurysm’s wall enhancement and evidence of inflammation invasion were determined In addition the relationship between aneurysm wall enhancement and aneurysm size and symptoms including ruptured aneurysms giant unruputred intracranial aneurysms UIAs presenting as mass effect progressively growing aneurysms and aneurysms associated with neurological symptoms was statistically analyzedTwentyfive patients with 30 aneurysms were available for the current study Fourteen aneurysms showed wall enhancement including 6 ruptured and 8 unruptured aneurysms Evidence of inflammation was identified directly through histological studies and indirectly through intraoperative investigations and clinical courses The statistical analysis indicated no significant correlation between aneurysm wall enhancement and aneurysm size However there was a strong correlation between wall enhancement and aneurysm symptoms with a kappa value of 086 95  CI 068–1Aneurysm wall enhancement on HRMRI might be a sign of inflammatory change Symptomatic aneurysms exhibited wall enhancement on HRMRI Wall enhancement had a high consistent correlation of symptomatic aneurysms Therefore wall enhancement on HRMRI might predict an unsteady state of an intracranial saccular aneurysmThe authors would like to thank Dr GuiLin Li for his assistance in this study and preparation of this manuscript PH and HQZ are financially supported by Capital Development Funds of Medical Science Grant number 2011100101 PH is sponsored by the National Natural Science Foundation Grant number of 81500988We declare that all human and animal studies have been approved by the ethics committee of Xuanwu Hospital Capital Medical University and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments We declare that all patients gave informed consent prior to inclusion in this study

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