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首页> 外文期刊>Magnetic resonance imaging: An International journal of basic research and clinical applications >Three-dimensional high-resolution simultaneous quantitative mapping of the whole brain with 3D-QALAS: An accuracy and repeatability study
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Three-dimensional high-resolution simultaneous quantitative mapping of the whole brain with 3D-QALAS: An accuracy and repeatability study

机译:三维高分辨率与3D-QALAS的全大脑同时定量映射:精度和重复性研究

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摘要

Background: Previous methods for the quantification of brain tissue properties by magnetic resonance imaging were mainly based on two-dimensional acquisitions and were thus limited to a relatively low resolution in the slice direction compared to three-dimensional (3D) acquisitions. The 3D-quantification using an interleaved Look-Locker acquisition sequence with a T2 preparation pulse (3D-QALAS) sequence may allow for simultaneous acquisition of relaxometry parameters in high spatial resolution.
机译:背景技术:通过磁共振成像进行脑组织特性的先前方法主要基于二维采集,因此与三维(3D)采集相比,在切片方向上被限制在切片方向上的相对低分辨率。 使用具有T2准备脉冲(3D-QALAS)序列的交织外观锁定序列的3D定量可以允许以高空间分辨率同时获取放置参数。

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