Methodological consensus on clinical proton MRS of the brain: Review and recommendations

M Wilson, O Andronesi, PB Barker… - Magnetic resonance …, 2019 - Wiley Online Library
Proton MRS (1H MRS) provides noninvasive, quantitative metabolite profiles of tissue and
has been shown to aid the clinical management of several brain diseases. Although most …

Accelerated MR spectroscopic imaging—a review of current and emerging techniques

W Bogner, R Otazo, A Henning - NMR in Biomedicine, 2021 - Wiley Online Library
Over more than 30 years in vivo MR spectroscopic imaging (MRSI) has undergone an
enormous evolution from theoretical concepts in the early 1980s to the robust imaging …

Fast image reconstruction with L2‐regularization

B Bilgic, I Chatnuntawech, AP Fan… - Journal of magnetic …, 2014 - Wiley Online Library
Purpose We introduce L2‐regularized reconstruction algorithms with closed‐form solutions
that achieve dramatic computational speed‐up relative to state of the art L1‐and L2‐based …

Proton and multinuclear magnetic resonance spectroscopy in the human brain at ultra-high field strength: A review

A Henning - Neuroimage, 2018 - Elsevier
Abstract Magnetic Resonance Spectroscopy (MRS) allows for a non-invasive and non-
ionizing determination of in vivo tissue concentrations and metabolic turn-over rates of more …

Water and lipid suppression techniques for advanced 1H MRS and MRSI of the human brain: Experts' consensus recommendations

I Tkáč, D Deelchand, W Dreher… - NMR in …, 2021 - Wiley Online Library
The neurochemical information provided by proton magnetic resonance spectroscopy
(MRS) or MR spectroscopic imaging (MRSI) can be severely compromised if strong signals …

3D GABA imaging with real-time motion correction, shim update and reacquisition of adiabatic spiral MRSI

W Bogner, B Gagoski, AT Hess, H Bhat, MD Tisdall… - Neuroimage, 2014 - Elsevier
Gamma-aminobutyric acid (GABA) and glutamate (Glu) are the major neurotransmitters in
the brain. They are crucial for the functioning of healthy brain and their alteration is a major …

Motion correction methods for MRS: experts' consensus recommendations

OC Andronesi, PK Bhattacharyya, W Bogner… - NMR in …, 2021 - Wiley Online Library
Long acquisition times due to intrinsically low signal‐to‐noise ratio and the need for highly
homogeneous B0 field make MRS particularly susceptible to motion or scanner instability …

Removal of nuisance signals from limited and sparse 1H MRSI data using a union‐of‐subspaces model

C Ma, F Lam, CL Johnson… - Magnetic resonance in …, 2016 - Wiley Online Library
Purpose To remove nuisance signals (eg, water and lipid signals) for 1H MRSI data
collected from the brain with limited and/or sparse (k, t)‐space coverage. Methods A union …

Sparse reconstruction techniques in magnetic resonance imaging: methods, applications, and challenges to clinical adoption

AC Yang, M Kretzler, S Sudarski, V Gulani… - Investigative …, 2016 - journals.lww.com
The family of sparse reconstruction techniques, including the recently introduced
compressed sensing framework, has been extensively explored to reduce scan times in …

[HTML][HTML] Emerging methods and applications of ultra-high field MR spectroscopic imaging in the human brain

G Hangel, E Niess, P Lazen, P Bednarik, W Bogner… - Analytical …, 2022 - Elsevier
Abstract Magnetic Resonance Spectroscopic Imaging (MRSI) of the brain enables insights
into the metabolic changes and fluxes in diseases such as tumors, multiple sclerosis …