b value and first‐order motion moment optimized data acquisition for repeatable quantitative intravoxel incoherent motion DWI

G Simchick, R Geng, Y Zhang… - Magnetic resonance in …, 2022 - Wiley Online Library
Purpose To design ab value and first‐order motion moment (M1) optimized data acquisition
for repeatable intravoxel incoherent motion (IVIM) quantification in the liver. Methods Cramer …

Reproducibility of intravoxel incoherent motion quantification in the liver across field strengths and gradient hardware

G Simchick, TJ Allen… - Magnetic Resonance in …, 2024 - Wiley Online Library
Purpose To evaluate reproducibility and interlobar agreement of intravoxel incoherent
motion (IVIM) quantification in the liver across field strengths and MR scanners with different …

Precision of region of interest‐based tri‐exponential intravoxel incoherent motion quantification and the role of the Intervoxel spatial distribution of flow velocities

G Simchick, D Hernando - Magnetic resonance in medicine, 2022 - Wiley Online Library
Purpose The purpose of this work was to obtain precise tri‐exponential intravoxel incoherent
motion (IVIM) quantification in the liver using 2D (b‐value and first‐order motion moment [M …

Effect of flow‐encoding strength on intravoxel incoherent motion in the liver

K Moulin, E Aliotta, DB Ennis - Magnetic resonance in medicine, 2019 - Wiley Online Library
Purpose To study the impact of variable flow‐encoding strength on intravoxel incoherent
motion (IVIM) liver imaging of diffusion and perfusion. Theory Signal attenuation in DWI …

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 …

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 …

An optimized b‐value distribution for triexponential intravoxel incoherent motion (IVIM) in the liver

A Riexinger, J Martin, A Wetscherek… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To find an optimized b‐value distribution for reproducible triexponential intravoxel
incoherent motion (IVIM) exams in the liver. Methods A numeric optimization of b‐value …

Influence of saturation effects on biexponential liver intravoxel incoherent motion

M Loh, T Führes, C Stuprich, M Uder… - Magnetic …, 2023 - Wiley Online Library
Purpose Studies on intravoxel incoherent motion (IVIM) imaging in the liver have been
carried out with different acquisition protocols. The number of acquired slices and the …

Comparison of tri‐exponential decay versus bi‐exponential decay and full fitting versus segmented fitting for modeling liver intravoxel incoherent motion diffusion MRI

O Chevallier, N Zhou, JP Cercueil, J He… - NMR in …, 2019 - Wiley Online Library
Objectives To determine whether bi‐or tri‐exponential models, and full or segmented fittings,
better fit the intravoxel incoherent motion (IVIM) imaging signal of healthy livers. Methods …

Quantification of intravoxel incoherent motion with optimized b‐values using deep neural network

W Lee, B Kim, HW Park - Magnetic Resonance in Medicine, 2021 - Wiley Online Library
Purpose To develop a framework for quantifying intravoxel incoherent motion (IVIM)
parameters, where a neural network for quantification and b‐values for diffusion‐weighted …