Abstract #2171
Interstudy and intraobserver reproducibility of high-resolution MRI in evaluating basilar atherosclerotic plaque at 3Tesla
Luguang Chen 1 , Xia Tian 1 , Qi Liu 1 , Chao Ma 1 , Qian Zhan 1 , Xuefeng Zhang 1 , Yuanliang Jiang 1 , and Jianping Lu 1
1
Department of Radiology,Changhai Hospital of
Shanghai, The Second Military Medical University,
Shanghai, Shanghai, China
Intracranial artery atherosclerosis is increasingly
being recognized as a major cause of stroke worldwide,
and patients with intracranial steno-occlusive disease
have an augmented risk of vascular events. Several
imaging modalities, including digital subtraction
angiography, computed tomography angiography, and
magnetic resonance imaging (MRI), are used to assess
intracranial atherosclerosis. However, dark blood
high-resolution MRI (HRMRI) superiors to other
techniques in delineating the wall of the basilar artery
(BA) because it is noninvasive and radiation-free.To our
knowledge, the scan and rescan reproducibility of
quantification of BA plaque has not reported. Therefore,
the purpose of the present study is to evaluate of the
interscan and intraobserver reproducibility of BA plaque
employing dark blood HRMRI at 3Tesla.
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