Signal decay due to susceptibility-induced intravoxel dephasing on multiple air-filled cylinders: MRI simulations and experiments

Fran?ois De Guio; Hugues Benoit-Cattin; Armel Davenel

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Signal decay due to susceptibility-induced intravoxel dephasing on multiple air-filled cylinders: MRI simulations and experiments

机译：在多个充气气瓶上因药敏引起的体内体素移相而引起的信号衰减：MRI模拟和实验

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摘要

Characterization of magnetic susceptibility artefacts with assessment of the gradient-echo signal decay function of echo time, pixel size, and object geometry in the case of air-filled cylinders embedded in water.

机译：磁化伪像的表征，在装有充气缸的情况下，通过评估回波时间，像素大小和物体几何形状的梯度回波信号衰减函数来进行评估。

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来源
《Magnetic Resonance Materials in Physics, Biology and Medicine》 |2008年第4期|261-271|共11页
作者
Fran?ois De Guio; Hugues Benoit-Cattin; Armel Davenel;
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作者单位

Cemagref Food Process Engineering Research Unit CS 64426 17 avenue de Cucillé 35 044 Rennes France;

CREATIS UMR CNRS 5520 Inserm U630 Université Claude Bernard Lyon 1 INSA Lyon Bat. Blaise Pascal 69 621 Villeurbanne France;

Cemagref Food Process Engineering Research Unit CS 64426 17 avenue de Cucillé 35 044 Rennes France;

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原文格式 PDF
正文语种 eng
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关键词
Magnetic susceptibility; Intravoxel dephasing; Signal loss; Artefacts; MRI simulation; Field inhomogeneity;

机译：磁化率;体内相移;信号损失;伪像;MRI模拟;磁场不均匀性;

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1. Signal decay due to susceptibility-induced intravoxel dephasing on multiple air-filled cylinders: MRI simulations and experiments [J] . Francois De Guio, Hugues Benoit-Cattin, Armel Davenel Magma: Magnetic resonance materials in physics, biology, and medicine . 2008,第4期

机译：在多个充气钢瓶上磁化引起的体内体素移相导致信号衰减：MRI模拟和实验
2. Comparison of tri-exponential decay versus bi-exponential decay and full fitting versus segmented fitting for modeling liver intravoxel incoherent motion diffusion MRI [J] . Chevallier Olivier, Zhou Nan, Cercueil Jean-Pierre, NMR in biomedicine . 2019,第11期

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Signal decay due to susceptibility-induced intravoxel dephasing on multiple air-filled cylinders: MRI simulations and experiments

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