Overview of quantitative susceptibility mapping using deep learning: Current status, challenges and opportunities

W Jung, S Bollmann, J Lee - NMR in Biomedicine, 2022 - Wiley Online Library
Quantitative susceptibility mapping (QSM) has gained broad interest in the field by extracting
bulk tissue magnetic susceptibility, predominantly determined by myelin, iron and calcium …

QSM throughout the body

AV Dimov, J Li, TD Nguyen, AG Roberts… - Journal of Magnetic …, 2023 - Wiley Online Library
Magnetic materials in tissue, such as iron, calcium, or collagen, can be studied using
quantitative susceptibility mapping (QSM). To date, QSM has been overwhelmingly applied …

LARO: Learned acquisition and reconstruction optimization to accelerate quantitative susceptibility mapping

J Zhang, P Spincemaille, H Zhang, TD Nguyen, C Li… - NeuroImage, 2023 - Elsevier
Quantitative susceptibility mapping (QSM) involves acquisition and reconstruction of a series
of images at multi-echo time points to estimate tissue field, which prolongs scan time and …

Deep neural network for water/fat separation: supervised training, unsupervised training, and no training

R Jafari, P Spincemaille, J Zhang… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To use a deep neural network (DNN) for solving the optimization problem of
water/fat separation and to compare supervised and unsupervised training. Methods The …

QSMxT: Robust masking and artifact reduction for quantitative susceptibility mapping

AW Stewart, SD Robinson, K O'Brien… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose Quantitative susceptibility mapping (QSM) estimates the spatial distribution of
tissue magnetic susceptibilities from the phase of a gradient‐echo signal. QSM algorithms …

Thin slab quantitative susceptibility mapping

N Naji, A Wilman - Magnetic Resonance in Medicine, 2023 - Wiley Online Library
Purpose Susceptibility maps reconstructed from thin slabs may suffer underestimation due to
background‐field removal imperfections near slab boundaries and the increased difficulty of …

Improved body quantitative susceptibility mapping by using a variable‐layer single‐min‐cut graph‐cut for field‐mapping

C Boehm, MN Diefenbach… - Magnetic …, 2021 - Wiley Online Library
Purpose To develop a robust algorithm for field‐mapping in the presence of water–fat
components, large field inhomogeneities and MR signal voids and to apply the developed …

Deep learning–based quantitative susceptibility mapping (QSM) in the presence of fat using synthetically generated multi‐echo phase training data

J Hanspach, S Bollmann, J Grigo… - Magnetic …, 2022 - Wiley Online Library
Purpose To enable a fast and automatic deep learning–based QSM reconstruction of tissues
with diverse chemical shifts, relevant to most regions outside the brain. Methods A UNET …

Feasibility of quantitative susceptibility mapping (QSM) of the human kidney

E Bechler, J Stabinska, T Thiel, J Jasse… - … Resonance Materials in …, 2021 - Springer
Objective To evaluate the feasibility of in-vivo quantitative susceptibility mapping (QSM) of
the human kidney. Methods An axial single-breath-hold 3D multi-echo sequence …

Ultrashort echo time quantitative susceptibility mapping (UTE‐QSM) for detection of hemosiderin deposition in hemophilic arthropathy: A feasibility study

H Jang, A von Drygalski, J Wong… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose The purpose of this study was to investigate the feasibility of ultrashort echo time
quantitative susceptibility mapping (UTE‐QSM) for assessment of hemosiderin deposition in …