High field human imaging

DG Norris - Journal of Magnetic Resonance Imaging: An …, 2003 - Wiley Online Library
This review article examines the state of knowledge regarding human imaging using MRI at
high main magnetic field strengths. The article starts with a summary of the technical issues …

Advances in high-field magnetic resonance imaging

X Hu, DG Norris - Annu. Rev. Biomed. Eng., 2004 - annualreviews.org
▪ Abstract Among advances in magnetic resonance imaging (MRI), the increase of the
magnetic field strength is perhaps one of the most significant. The use of high magnetic …

Biexponential diffusion attenuation in various states of brain tissue: implications for diffusion‐weighted imaging

T Niendorf, RM Dijkhuizen, DG Norris… - Magnetic …, 1996 - Wiley Online Library
Diffusion‐weighted single voxel experiments conducted at b‐values up to 1× 104 smm− 2
yielded biexponential signal attenuation curves for both normal and ischemic brain. The …

Fast spin echo sequences with very long echo trains: Design of variable refocusing flip angle schedules and generation of clinical T2 contrast

RF Busse, H Hariharan, A Vu… - Magnetic Resonance in …, 2006 - Wiley Online Library
Reducing and continuously varying the flip angle of the refocusing RF pulses in a rapid
acquisition with relaxation enhancement (RARE; fast/turbo spin echo) sequence is a useful …

Noninvasive in vivo human coronary artery lumen and wall imaging using black-blood magnetic resonance imaging

ZA Fayad, V Fuster, JT Fallon, T Jayasundera… - Circulation, 2000 - Am Heart Assoc
Background—High-resolution MRI has the potential to noninvasively image the human
coronary artery wall and define the degree and nature of coronary artery disease. Coronary …

Effects of refocusing flip angle modulation and view ordering in 3D fast spin echo

RF Busse, ACS Brau, A Vu… - Magnetic resonance …, 2008 - Wiley Online Library
Recent advances have reduced scan time in three‐dimensional fast spin echo (3D‐FSE)
imaging, including very long echo trains through refocusing flip angle (FA) modulation and …

Optimized single-slab three-dimensional spin-echo MR imaging of the brain

JP Mugler III, S Bao, RV Mulkern, CRG Guttmann… - Radiology, 2000 - pubs.rsna.org
The development and optimization of spin-echo–based, single-slab, three-dimensional
techniques for magnetic resonance imaging of the whole brain are described. T1-weighted …

Multiecho sequences with variable refocusing flip angles: optimization of signal behavior using smooth transitions between pseudo steady states (TRAPS)

J Hennig, M Weigel, K Scheffler - Magnetic Resonance in …, 2003 - Wiley Online Library
A variation of the rapid acquisition with relaxation enhancement (RARE) sequence (also
called turbo spin‐echo (TSE) or fast spin‐echo (FSE)) is presented. This technique uses …

Phase insensitive preparation of single‐shot RARE: application to diffusion imaging in humans

DC Alsop - Magnetic resonance in medicine, 1997 - Wiley Online Library
Although RARE and GRASE can produce single‐shot images of excellent quality, their utility
has been restricted because preparation of the magnetization with interesting contrast …

Hyperechoes

J Hennig, K Scheffler - … in Medicine: An Official Journal of the …, 2001 - Wiley Online Library
A novel spin‐echo‐based refocusing strategy called a hyperecho mechanism is introduced
by which the full coherence of magnetization submitted to a sequence of arbitrary RF pulses …