Spinal cord MRI at 7T
Magnetic resonance imaging (MRI) of the human spinal cord at 7T has been demonstrated
by a handful of research sites worldwide, and the spinal cord remains one of the areas in …
by a handful of research sites worldwide, and the spinal cord remains one of the areas in …
Parallel transmission for ultrahigh field MRI
CM Deniz - Topics in Magnetic Resonance Imaging, 2019 - journals.lww.com
Magnetic resonance imaging (MRI) has been driven toward ultrahigh magnetic fields (UHF)
in order to benefit from correspondingly higher signal-to-noise ratio and spectral resolution …
in order to benefit from correspondingly higher signal-to-noise ratio and spectral resolution …
Self-decoupled radiofrequency coils for magnetic resonance imaging
Arrays of radiofrequency coils are widely used in magnetic resonance imaging to achieve
high signal-to-noise ratios and flexible volume coverage, to accelerate scans using parallel …
high signal-to-noise ratios and flexible volume coverage, to accelerate scans using parallel …
Calibration‐free pTx of the human heart at 7T via 3D universal pulses
CS Aigner, S Dietrich, T Schaeffter… - Magnetic resonance in …, 2022 - Wiley Online Library
Purpose MRI at ultra‐high fields in the human body is highly challenging and requires
lengthy calibration times to compensate for spatially heterogeneous profiles. This study …
lengthy calibration times to compensate for spatially heterogeneous profiles. This study …
A review of parallel transmit arrays for ultra-high field MR imaging
Parallel transmission (pTX) techniques are required to tackle a number of challenges, eg,
the inhomogeneous distribution of the transmit field and elevated specific absorption rate …
the inhomogeneous distribution of the transmit field and elevated specific absorption rate …
Three‐dimensional static and dynamic parallel transmission of the human heart at 7 T
CS Aigner, S Dietrich, S Schmitter - NMR in biomedicine, 2021 - Wiley Online Library
Three‐dimensional (3D) human heart imaging at ultra‐high fields is highly challenging due
to respiratory and cardiac motion‐induced artifacts as well as spatially heterogeneous …
to respiratory and cardiac motion‐induced artifacts as well as spatially heterogeneous …
Tailored and universal parallel transmit broadband pulses for homogeneous 3D excitation of the human heart at 7T
CS Aigner, S Dietrich‐Conzelmann… - Magnetic resonance …, 2024 - Wiley Online Library
Purpose To research and evaluate the performance of broadband tailored kT‐point pulses
(TP) and universal pulses (UP) for homogeneous excitation of the human heart at 7T …
(TP) and universal pulses (UP) for homogeneous excitation of the human heart at 7T …
Whole‐liver flip‐angle shimming at 7 T using parallel‐transmit kT‐point pulses and Fourier phase‐encoded DREAM mapping
BA Runderkamp, T Roos… - Magnetic resonance …, 2024 - Wiley Online Library
Purpose To obtain homogeneous signal throughout the human liver at 7 T. Flip angle (FA)
shimming in 7T whole‐liver imaging was performed through parallel‐transmit kT‐point …
shimming in 7T whole‐liver imaging was performed through parallel‐transmit kT‐point …
Deep learning‐based whole‐brain B1+‐mapping at 7T
Purpose This study investigates the feasibility of using complex‐valued neural networks
(NNs) to estimate quantitative transmit magnetic RF field (B1+) maps from multi‐slice …
(NNs) to estimate quantitative transmit magnetic RF field (B1+) maps from multi‐slice …
Ratio‐adjustable power splitters for array‐compressed parallel transmission
Purpose To implement and validate low‐loss ratio‐adjustable power splitters (RAPS) for
array‐compressed parallel transmission (acpTx). Methods In acpTx, a small number of …
array‐compressed parallel transmission (acpTx). Methods In acpTx, a small number of …