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   Articles with "ivim" as a keyword



Optimizing b-values schemes for diffusion MRI of the brain with segmented Intravoxel Incoherent Motion (IVIM) model.

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recommendations! Published in 2023 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13986

Abstract: PURPOSE To define an optimal set of b-values for accurate derivation of diffusion MRI parameters in the brain with segmented Intravoxel Incoherent Motion (IVIM) model. METHODS Simulations of diffusion signals were performed to define an… read more here.

Keywords: brain; mm2; optimal set; ivim ... See more keywords

Editorial for “An Unsupervised Deep Learning Approach for Dynamic‐Exponential Intravoxel Incoherent Motion MRI Modeling and Parameter Estimation in the Liver”

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recommendations! Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28075

Abstract: Editorial for “An Unsupervised Deep Learning Approach for Dynamic-Exponential Intravoxel Incoherent Motion MRI Modeling and Parameter Estimation in the Liver” Intravoxel incoherent motion (IVIM) magnetic resonance imaging (MRI) has gained renewed momentum recently. While it… read more here.

Keywords: diffusion; motion; mri; ivim ... See more keywords

Synthetic-to-real domain adaptation with deep learning for fitting the intravoxel incoherent motion model of diffusion-weighted imaging.

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recommendations! Published in 2022 at "Medical physics"

DOI: 10.1002/mp.16031

Abstract: BACKGROUND Intravoxel incoherent motion (IVIM) is a type of diffusion-weighted imaging (DWI), and IVIM model parameters (water molecule diffusion rate Dt, pseudo diffusion coefficient Dp, and tissue perfusion fraction Fp) have been widely used in… read more here.

Keywords: diffusion; ivim; model; method ... See more keywords

Comparison of perfusion signal acquired by arterial spin labeling–prepared intravoxel incoherent motion (IVIM) MRI and conventional IVIM MRI to unravel the origin of the IVIM signal

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recommendations! Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26723

Abstract: Applications of intravoxel incoherent motion (IVIM) imaging in the brain are scarce, whereas it has been successfully applied in other organs with promising results. To better understand the cerebral IVIM signal, the diffusion properties of… read more here.

Keywords: ivim; ivim signal; intravoxel incoherent; ivim mri ... See more keywords

Pattern recognition analysis of directional intravoxel incoherent motion MRI in ischemic rodent brains

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recommendations! Published in 2020 at "NMR in Biomedicine"

DOI: 10.1002/nbm.4268

Abstract: This study aimed to demonstrate a reliable automatic segmentation method for independently separating reduced diffusion and decreased perfusion areas in ischemic stroke brains using constrained nonnegative matrix factorization (cNMF) pattern recognition in directional intravoxel incoherent… read more here.

Keywords: ivim; pattern recognition; diffusion; analysis ... See more keywords

A supervised deep neural network approach with standardized targets for enhanced accuracy of IVIM parameter estimation from multi‐SNR images

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recommendations! Published in 2022 at "Nmr in Biomedicine"

DOI: 10.1002/nbm.4774

Abstract: Extraction of intravoxel incoherent motion (IVIM) parameters from noisy diffusion‐weighted (DW) images using a biexponential fitting model is computationally challenging, and the reliability of the estimated perfusion‐related quantities represents a limitation of this technique. Artificial… read more here.

Keywords: accuracy; deep neural; dnn; ivim ... See more keywords

Relaxation‐Selective Intravoxel Incoherent Motion Imaging of Microvascular Perfusion and Fluid Compartments in the Human Choroid Plexus

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recommendations! Published in 2024 at "Nmr in Biomedicine"

DOI: 10.1002/nbm.70144

Abstract: The choroid plexus (ChP) plays an important role in the glymphatic system of the human brain as the primary source of the cerebrospinal fluid (CSF) production. Development of a non-invasive imaging technique is crucial for… read more here.

Keywords: fluid compartments; perfusion; ivim; fluid ... See more keywords
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Detection of renal allograft fibrosis with MRI: arterial spin labeling outperforms reduced field-of-view IVIM

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recommendations! Published in 2021 at "European Radiology"

DOI: 10.1007/s00330-021-07818-9

Abstract: To compare the value of reduced field-of-view (FOV) intravoxel incoherent motion (IVIM) diffusion-weighted imaging (DWI) and arterial spin labeling (ASL) for assessing renal allograft fibrosis and predicting long-term dysfunction. This prospective study included 175 renal… read more here.

Keywords: ivim; fibrosis; ci0; allograft fibrosis ... See more keywords

Relationship between 18F-FDG PET metabolic parameters and MRI intravoxel incoherent motion (IVIM) histogram parameters and their correlations with clinicopathological features of cervical cancer: evidence from integrated PET/MRI.

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recommendations! Published in 2019 at "Clinical radiology"

DOI: 10.1016/j.crad.2018.11.003

Abstract: AIM To explore the relationship between positron-emission tomography (PET) and intravoxel incoherent motion (IVIM) histogram parameters and their correlations with the clinicopathological features of cervical squamous cell cancer (CSCC). MATERIALS AND METHODS Forty-four patients with… read more here.

Keywords: ivim; pet; histogram parameters; cancer ... See more keywords
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Quantitative study of preoperative staging of gastric cancer using intravoxel incoherent motion diffusion-weighted imaging as a potential clinical index.

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recommendations! Published in 2021 at "European journal of radiology"

DOI: 10.1016/j.ejrad.2021.109627

Abstract: PURPOSE To determine the utility of intravoxel incoherent motion (IVIM) diffusion-weighted imaging in quantitative analysis of preoperative tumor (T) and node (N) stages of gastric cancer, and to quantify the diagnostic threshold of IVIM parameters… read more here.

Keywords: ivim; stages gastric; cancer; gastric cancer ... See more keywords

Diagnostic Efficacy and Correlation of Intravoxel Incoherent Motion (IVIM) and Contrast-Enhanced (CE) MRI Perfusion Parameters in Oncology Imaging: A Systematic Review and Meta-Analysis

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recommendations! Published in 2025 at "International Journal of Biomedical Imaging"

DOI: 10.1155/ijbi/3621023

Abstract: Background Intravoxel incoherent motion (IVIM) magnetic resonance imaging (MRI) is a noncontrast technique estimating diffusion and perfusion parameters via multiple b-values, essential for oncology imaging. However, there is limited collective evidence regarding the efficacy of… read more here.

Keywords: oncology; perfusion; sensitivity specificity; ivim ... See more keywords