Challenges in ensuring the generalizability of image quantitation methods for MRI

KE Keenan, JG Delfino, KV Jordanova… - Medical …, 2022 - Wiley Online Library
Image quantitation methods including quantitative MRI, multiparametric MRI, and radiomics
offer great promise for clinical use. However, many of these methods have limited clinical …

Quantitative MRI of diffuse liver diseases: techniques and tissue-mimicking phantoms

A Tipirneni-Sajja, S Brasher, U Shrestha… - … Resonance Materials in …, 2023 - Springer
Quantitative magnetic resonance imaging (MRI) techniques are emerging as non-invasive
alternatives to biopsy for assessment of diffuse liver diseases of iron overload, steatosis and …

An Empirical Approach to Derive Water T1 from Multiparametric MR Images Using an Automated Pipeline and Comparison With Liver Stiffness

FC Michelotti, Y Kupriyanova, T Mori… - Journal of Magnetic …, 2024 - Wiley Online Library
Background Water T1 of the liver has been shown to be promising in discriminating the
progressive forms of fatty liver diseases, inflammation, and fibrosis, yet proper correction for …

Limits of fat quantification in the presence of iron overload

TJ Colgan, R Zhao, NT Roberts… - Journal of Magnetic …, 2021 - Wiley Online Library
Background Chemical shift encoded magnetic resonance imaging (CSE‐MRI)‐based tissue
fat quantification is confounded by increased R2* signal decay rate caused by the presence …

T 1–T 2 dual-modal magnetic resonance contrast-enhanced imaging for rat liver fibrosis stage

F Lu, L Du, W Chen, H Jiang, C Yang, Y Pu, J Wu… - RSC …, 2022 - pubs.rsc.org
The development of an effective method for staging liver fibrosis has always been a hot topic
of research in the field of liver fibrosis. In this paper, PEGylated ultrafine superparamagnetic …

Simultaneous liver steatosis, fibrosis and iron deposition quantification with mDixon quant based on radiomics analysis in a rabbit model

LQ Zou, H Zhang, Q Wang, WX Zhong, YN Du… - Magnetic Resonance …, 2022 - Elsevier
Purpose To evaluate the feasibility of simultaneous quantification of liver fibrosis, liver
steatosis and abnormal iron deposition using mDixon Quant based on radiomics analysis …

Effect of particle size on liver MRI relaxometry: Monte Carlo simulation and phantom studies

X Li, C Wang, J Huang, SB Reeder… - Magnetic Resonance …, 2024 - Wiley Online Library
Purpose To investigate the effect of particle size on liver R 2* R _2^ ∗ by Monte Carlo
simulation and phantom studies at both 1.5 T and 3.0 T. Methods Two kinds of particles (ie …

Evaluation of Hepatic Iron Overload Using a Contemporary 0. 55 T MRI System

AE Campbell‐Washburn, C Mancini… - Journal of Magnetic …, 2022 - Wiley Online Library
Background MRI T2* and R2* mapping have gained clinical acceptance for noninvasive
assessment of iron overload. Lower field MRI may offer increased measurement dynamic …

R2* Impact on Hepatic Fat Quantification With a Commercial Single Voxel Technique at 1.5 and 3.0 T

V Fortier, A Mohamed, E McNabb… - Canadian …, 2024 - journals.sagepub.com
Rationale and Objectives: Fat quantification accuracy using a commercial single-voxel high
speed T2-corrected multi-echo (HISTO) technique and its robustness to R2* variations at 3.0 …

A single-sided magnet for deep-depth fat quantification

Y Wang, Y Xu, M Zhang, TE Komolafe, W Wang… - Journal of Magnetic …, 2021 - Elsevier
Early detection of fatty-liver disease is important before further aggravations of the disease,
such as cirrhosis, can develop. In this study, we developed a low-cost, movable single-sided …