Toward an optimal distribution of b values for intravoxel incoherent motion imaging

A Lemke, B Stieltjes, LR Schad, FB Laun - Magnetic resonance imaging, 2011 - Elsevier
The intravoxel incoherent motion (IVIM) theory provides a framework for the separation of
perfusion and diffusion effects in diffusion-weighted imaging (DWI). To measure the three …

Systematic analysis of the intravoxel incoherent motion threshold separating perfusion and diffusion effects: proposal of a standardized algorithm

MC Wurnig, OF Donati, E Ulbrich, L Filli… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose To systematically evaluate the dependence of intravoxel‐incoherent‐motion (IVIM)
parameters on the b‐value threshold separating the perfusion and diffusion compartment …

Comparison of methods for estimation of the intravoxel incoherent motion (IVIM) diffusion coefficient (D) and perfusion fraction (f)

O Jalnefjord, M Andersson, M Montelius… - … Resonance Materials in …, 2018 - Springer
Objective Intravoxel incoherent motion (IVIM) shows great potential in many applications, eg,
tumor tissue characterization. To reduce image-quality demands, various IVIM analysis …

Flow‐compensated intravoxel incoherent motion diffusion imaging

A Wetscherek, B Stieltjes… - Magnetic resonance in …, 2015 - Wiley Online Library
Purpose The pseudo‐diffusion coefficient D* in intravoxel incoherent motion (IVIM) imaging
was found difficult to seize. Flow‐compensated diffusion gradients were used to test the …

Intravoxel incoherent motion diffusion‐weighted MRI of the abdomen: the effect of fitting algorithms on the accuracy and reliability of the parameters

HJ Park, YS Sung, SS Lee, Y Lee… - Journal of Magnetic …, 2017 - Wiley Online Library
Purpose To evaluate the influence of fitting methods on the accuracy and reliability of
intravoxel incoherent motion (IVIM) parameters, with a particular emphasis on the constraint …

Intravoxel incoherent motion diffusion imaging of the liver: optimal b-value subsampling and impact on parameter precision and reproducibility

H Dyvorne, G Jajamovich, S Kakite, B Kuehn… - European journal of …, 2014 - Elsevier
Purpose To increase diffusion sampling efficiency in intravoxel incoherent motion (IVIM)
diffusion-weighted imaging (DWI) of the liver by reducing the number of diffusion weightings …

Quantification of microcirculatory parameters by joint analysis of flow‐compensated and non‐flow‐compensated intravoxel incoherent motion (IVIM) data

A Ahlgren, L Knutsson, R Wirestam… - NMR in …, 2016 - Wiley Online Library
The aim of this study was to improve the accuracy and precision of perfusion fraction and
blood velocity dispersion estimates in intravoxel incoherent motion (IVIM) imaging, using …

Intravoxel incoherent motion in body diffusion-weighted MRI: reality and challenges

DM Koh, DJ Collins, MR Orton - American Journal of …, 2011 - Am Roentgen Ray Soc
OBJECTIVE. Diffusion-weighted MRI is increasingly applied in the body. It has been
recognized for some time, on the basis of scientific experiments and studies in the brain, that …

Improved intravoxel incoherent motion analysis of diffusion weighted imaging by data driven Bayesian modeling

MR Orton, DJ Collins, DM Koh… - Magnetic resonance in …, 2014 - Wiley Online Library
In addition to the diffusion coefficient, fitting the intravoxel incoherent motion model to
multiple b‐value diffusion‐weighted MR data gives pseudo‐diffusion measures associated …

The effect of low b‐values on the intravoxel incoherent motion derived pseudodiffusion parameter in liver

AD Cohen, MC Schieke… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose To examine the effect of low b‐values (0< b< 50 s/mm2) on the calculation of the
intravoxel incoherent motion (IVIM) derived pseudodiffusion parameter in the normal liver …