Neuroradiologic applications of dynamic MR angiography at 3 T.

Parmar H; Ivancevic MK; Dudek N; Gandhi D; Geerts L; Hoogeveen R; Mukherji SK; Chenevert TL

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Neuroradiologic applications of dynamic MR angiography at 3 T.

机译：动态MR血管造影在3 T时的神经放射学应用。

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Four-dimensional time-resolved MR angiography (4D-MRA) using keyhole imaging techniques is a new method of performing contrastenhanced vascular imaging. Combining parallel imaging and keyhole imaging techniques, it is possible to obtain dynamic MRA scans up to 60 times faster, thereby achieving subsecond sampling of the contrast hemodynamics. Furthermore, imaging at 3 T gives higher signal, thus affording higher spatial resolution and allowing dynamic 3D MRA to approach the diagnostic performance of conventional digital subtraction angiography. This article presents the authors' clinical experience using 4D-MRA to evaluate various vascular abnormalities in the brain, spine, orbits, and neck at 3 T, demonstrates the imaging findings of this novel technique, and discusses its advantages and use in current neuroradiology practice.

机译：使用锁孔成像技术的四维时间分辨MR血管造影（4D-MRA）是一种执行造影剂增强血管成像的新方法。将并行成像和锁孔成像技术相结合，可以将动态MRA扫描速度提高60倍，从而获得对比血流动力学的亚秒级采样。此外，在3 T下成像可提供更高的信号，从而提供更高的空间分辨率，并使动态3D MRA接近常规数字减影血管造影的诊断性能。本文介绍了作者使用4D-MRA评估3 T时脑，脊柱，眶和颈部各种血管异常的临床经验，展示了这项新技术的影像学发现，并讨论了其优势和在当前神经放射学实践中的应用。

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《Magnetic resonance imaging clinics of North America》 |2009年第1期|共13页
作者
Parmar H; Ivancevic MK; Dudek N; Gandhi D; Geerts L; Hoogeveen R; Mukherji SK; Chenevert TL;
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正文语种 eng
中图分类诊断学;
关键词
MRA; Diagnostic Imaging; Angiography; 诊断显像; 血管造影术;

机译：MRA;Diagnostic Imaging;Angiography;诊断显像;血管造影术;

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1. Neuroradiologic applications of dynamic MR angiography at 3 T. [J] . Parmar H, Ivancevic MK, Dudek N, Magnetic resonance imaging clinics of North America . 2009,第1期

机译：动态MR血管造影在3 T时的神经放射学应用。
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3. In vitro comparison of different carotid artery stents: a pixel-by-pixel analysis using CT angiography and contrast-enhanced MR angiography at 1.5 and 3 T. [J] . Lettau M, Sauer A, Heiland S, Neuroradiology . 2010,第9期

机译：体外比较不同的颈动脉支架：在1.5和3 T下使用CT血管造影和对比增强MR血管造影进行逐像素分析。
4. Applications of whole brain perfusion and 4-dimensional digital subtraction angiography utilized by lower-dose 320-Row dynamic volumetric CT (320-DVCT) [C] . Chen Chao-Hung, Liu Yung-Chi, Chung Cheng-Kuo, 2011 4th International Congress on Image and Signal Processing . 2011

机译：小剂量320排动态容积CT（320-DVCT）在全脑灌注和4维数字减影血管造影中的应用
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机译：多频超声换能器及其在组织消融和血管内声学血管造影中的应用。
6. Diffusion-Weighted Imaging MR Angiography and Baseline Data in a Systematic Multicenter Analysis of 3301 MRI Scans of Ischemic Stroke Patients—Neuroradiological Review Within the MRI-GENIE Study [O] . Mattias Drake, Petrea Frid, Björn M. Hansen, 2020

机译：扩散加权成像MR血管造影和基线数据在系统多中心分析中在MRI-Genie研究中缺血性卒中患者的3301例MRI扫描 - 神经加理患者中的扫描
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Neuroradiologic applications of dynamic MR angiography at 3 T.

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