A fast spin echo NMR pulse sequence is modified to stabilize the magnitude of early NMR echo signals produced during each shot. Stabilization is accomplished by modifying the amplitude of the nutation angle produced in the spins by the corresponding RF refocusing pulses. When selective RF refocusing...
In this work we propose a nonuniform subsampling scheme applicable to 3D imaging, and apply it to the 3D fast spin echo (3D-FSE) pulse sequence. This sampling scheme is amenable to reconstruction using either GRAPPA-class or SENSE-class algorithms. FSE sequences are attractive for clinical ima...
2007. Prepolarized fast spin echo pulse sequence for low field MRI. Magnetic Resonance in Medicine 57(6): 1180-1184.Kegler C, Seton HC, Hutchison JMS. Prepolarized fast spin-echo pulse sequence for low-field MRI. Magn Reson Med. 2007;57(6):1180-4....
Fast spin-echo imaging of the abdomen during breath-holding: An alternative to RASE and other fast imaging techniquesAbdomen, MR studiesMagnetic resonance, pulse sequencesMagnetic resonance, technologyMagnetic resonance, rapid imagingWe have developed a rapidly acquired T1-weighted spin-echo pulse ...
Correcting gradients for a phase encoding axis in an MRI imaging system are provided in an FSE pulse sequence to correct phase errors in echo signals, such as due to effects of cross term eddy currents induced by slice select gradients. Correcting gradients to be applied to the logical phase ...
Purpose To compare and evaluate two novel diffusion-weighted sequences, based either on fast spin-echo (FSE) or interleaved echo-planar imaging (EPI) methods, as potential tools for investing spinal...
d) dephasing transverse magnetization by applying a second gradient pulse; e) performing a fast spin echo pulse sequence in which the saved diffusion weighted magnetization is tipped into the transverse plane by an rf excitation pulse, and a series of NMR echo signals are produced by a correspond...
A fast spin-echo NMR pulse sequence is modified to produce a pair of gradient recalled echo signals between each successive pair of RF refocusing pulses. The first gradient recalled echo signal in eac
5) 3-D fast spin echo(FSE) 三维快速自旋回波 1. This paper presents a non-uniform exponential distribution sampling scheme for 3-D imaging which reduces the acquisition time for 3-D fast spin echo(FSE) pulse sequences. 为了减少三维快速自旋回波(3-D fast spin echo,3-DFSE)序列的扫描时间,...
This paper presents a non-uniform exponential distribution sampling scheme for 3-D imaging which reduces the acquisition time for 3-D fast spin echo(FSE) pulse sequences. 为了减少三维快速自旋回波(3-D fast spin echo,3-DFSE)序列的扫描时间,该文提出了在2个相位编码方向都采用基于指数分布的非均匀...