Spatially constrained incoherent motion method improves diffusion‐weighted MRI signal decay analysis in the liver and spleen
V Taimouri, O Afacan, JM Perez‐Rossello… - Medical …, 2015 - Wiley Online Library
Purpose: To evaluate the effect of the spatially constrained incoherent motion (SCIM)
method on improving the precision and robustness of fast and slow diffusion parameter …
method on improving the precision and robustness of fast and slow diffusion parameter …
Intravoxel incoherent motion diffusion‐weighted MRI of the abdomen: the effect of fitting algorithms on the accuracy and reliability of the parameters
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 (IVIM) parameters, with a particular emphasis on the constraint …
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 …
better fit the intravoxel incoherent motion (IVIM) imaging signal of healthy livers. Methods …
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 …
intravoxel incoherent motion (IVIM) derived pseudodiffusion parameter in the normal liver …
Spatially-constrained probability distribution model of incoherent motion (SPIM) for abdominal diffusion-weighted MRI
Quantitative diffusion-weighted MR imaging (DW-MRI) of the body enables characterization
of the tissue microenvironment by measuring variations in the mobility of water molecules …
of the tissue microenvironment by measuring variations in the mobility of water molecules …
Evidence of tri-exponential decay for liver intravoxel incoherent motion MRI: a review of published results and limitations
O Chevallier, YXJ Wáng, K Guillen, J Pellegrinelli… - Diagnostics, 2021 - mdpi.com
Diffusion weighted imaging (DWI) and intravoxel incoherent motion (IVIM) have been
explored to assess liver tumors and diffused liver diseases. IVIM reflects the microscopic …
explored to assess liver tumors and diffused liver diseases. IVIM reflects the microscopic …
Quantitative analysis of intravoxel incoherent motion (IVIM) diffusion MRI using total variation and Huber penalty function
Purpose Quantitative analysis in intravoxel incoherent motion (IVIM) imaging commonly
uses voxel‐wise estimation of the bi‐exponential model, which might not be reliable for …
uses voxel‐wise estimation of the bi‐exponential model, which might not be reliable for …
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 …
tumor tissue characterization. To reduce image-quality demands, various IVIM analysis …
Self‐supervised IVIM DWI parameter estimation with a physics based forward model
Purpose To assess the robustness and repeatability of intravoxel incoherent motion model
(IVIM) parameter estimation for the diffusion‐weighted MRI in the abdominal organs under …
(IVIM) parameter estimation for the diffusion‐weighted MRI in the abdominal organs under …
Removal of evidential motion-contaminated and poorly fitted image data improves IVIM diffusion MRI parameter scan–rescan reproducibility
O Chevallier, N Zhou, J He, R Loffroy… - Acta …, 2018 - journals.sagepub.com
Background It has been reported that intravoxel incoherent motion (IVIM) diffusion magnetic
resonance imaging (MRI) scan–rescan reproducibility is unsatisfactory. Purpose To study …
resonance imaging (MRI) scan–rescan reproducibility is unsatisfactory. Purpose To study …