Electric properties tomography: Biochemical, physical and technical background, evaluation and clinical applications

U Katscher, CAT van den Berg - NMR in Biomedicine, 2017 - Wiley Online Library
Electric properties tomography (EPT) derives the patient's electric properties, ie conductivity
and permittivity, using standard magnetic resonance (MR) systems and standard MR …

Electrical Properties Tomography Based on Maps in MRI: Principles, Applications, and Challenges

J Liu, Y Wang, U Katscher, B He - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Objective: The purpose is to provide a comprehensive review of the electrical properties
tomography (EPT) technique, which was introduced to image the electrical properties (EPs) …

Error analysis of helmholtz‐based MR‐electrical properties tomography

S Mandija, A Sbrizzi, U Katscher… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose MR electrical properties tomography (MR‐EPT) aims to measure tissue electrical
properties by computing spatial derivatives of measured data. This computation is very …

Opening a new window on MR-based electrical properties tomography with deep learning

S Mandija, EF Meliadò, NRF Huttinga, PR Luijten… - Scientific reports, 2019 - nature.com
In the radiofrequency (RF) range, the electrical properties of tissues (EPs: conductivity and
permittivity) are modulated by the ionic and water content, which change for pathological …

Data‐driven electrical conductivity brain imaging using 3 T MRI

KJ Jung, S Mandija, C Cui, JH Kim… - Human Brain …, 2023 - Wiley Online Library
Magnetic resonance electrical properties tomography (MR‐EPT) is a non‐invasive
measurement technique that derives the electrical properties (EPs, eg, conductivity or …

Brain tissue conductivity measurements with MR-electrical properties tomography: an in vivo study

S Mandija, PI Petrov, JJT Vink, SFW Neggers… - Brain topography, 2021 - Springer
First in vivo brain conductivity reconstructions using Helmholtz MR-Electrical Properties
Tomography (MR-EPT) have been published. However, a large variation in the …

A regularized, model‐based approach to phase‐based conductivity mapping using MRI

KM Ropella, DC Noll - Magnetic resonance in medicine, 2017 - Wiley Online Library
Purpose To develop a novel regularized, model‐based approach to phase‐based
conductivity mapping that uses structural information to improve the accuracy of conductivity …

A database for MR‐based electrical properties tomography with in silico brain data—ADEPT

TG Meerbothe, EF Meliado… - Magnetic …, 2024 - Wiley Online Library
Purpose Several reconstruction methods for MR‐based electrical properties tomography
(EPT) have been developed. However, the lack of common data makes it difficult to …

Electrical properties tomography: Available contrast and reconstruction capabilities

I Hancu, J Liu, Y Hua, SK Lee - Magnetic resonance in …, 2019 - Wiley Online Library
MR‐based electrical properties tomography converts the MRI transmit/receive RF field
measurements to tissue electrical property maps through dedicated reconstruction …

Changes of in vivo electrical conductivity in the brain and torso related to age, fat fraction and sex using MRI

Z He, P Soullié, P Lefebvre, K Ambarki, J Felblinger… - Scientific Reports, 2024 - nature.com
This work was inspired by the observation that a majority of MR-electrical properties
tomography studies are based on direct comparisons with ex vivo measurements carried out …