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 …

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 …

High‐resolution 1H‐MRSI of the brain using SPICE: Data acquisition and image reconstruction

F Lam, C Ma, B Clifford, CL Johnson… - Magnetic resonance in …, 2016 - Wiley Online Library
Purpose To develop data acquisition and image reconstruction methods to enable high‐
resolution 1H MR spectroscopic imaging (MRSI) of the brain, using the recently proposed …

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 …

Ultrafast magnetic resonance spectroscopic imaging using SPICE with learned subspaces

F Lam, Y Li, R Guo, B Clifford… - Magnetic resonance in …, 2020 - Wiley Online Library
Purpose To develop a subspace learning method for the recently proposed subspace‐
based MRSI approach known as SPICE, and achieve ultrafast 1H‐MRSI of the brain. Theory …

Constrained magnetic resonance spectroscopic imaging by learning nonlinear low-dimensional models

F Lam, Y Li, X Peng - IEEE transactions on medical imaging, 2019 - ieeexplore.ieee.org
Magnetic resonance spectroscopic imaging (MRSI) is a powerful molecular imaging
modality but has very limited speed, resolution, and SNR tradeoffs. Construction of a low …

[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 …

(2+ 1) D‐CAIPIRINHA accelerated MR spectroscopic imaging of the brain at 7T

B Strasser, M Považan, G Hangel… - Magnetic resonance …, 2017 - Wiley Online Library
Purpose To compare a new parallel imaging (PI) method for multislice proton magnetic
resonance spectroscopic imaging (1H‐MRSI), termed (2+ 1) D‐CAIPIRINHA, with two …

Compressed sensing for high‐resolution nonlipid suppressed 1H FID MRSI of the human brain at 9.4T

S Nassirpour, P Chang, N Avdievitch… - Magnetic resonance in …, 2018 - Wiley Online Library
Purpose The aim of this study was to apply compressed sensing to accelerate the
acquisition of high resolution metabolite maps of the human brain using a nonlipid …

Non‐Cartesian GRAPPA and coil combination using interleaved calibration data–application to concentric‐ring MRSI of the human brain at 7T

P Moser, W Bogner, L Hingerl… - Magnetic …, 2019 - Wiley Online Library
Purpose Proton MR spectroscopic imaging (MRSI) benefits from B0≥ 7T and multichannel
receive coils, promising substantial resolution improvements. However, MRSI acquisition …