fast spin echo

fast spin echo

a spin echo pulse sequence in which 4-16 echoes are obtained for each excitation, reducing scan time proportionately; each echo is separately phase encoded.

fast spin echo

An MRI term for a fast spin echo pulse sequence characterised by a series of rapidly applied 180° rephasing pulses and multiple echoes, changing the phase encoding gradient for each echo.
References in periodicals archive ?
Results: Conventional spin echo and fast spin echo were equivalent for the tissues of comparable signal intensities and for entities moderate difference between signal intensities.
Pancreatic duct: MR cholangiopancreatography with a three-dimensional fast spin echo technique.
5 30 4 40 2 (affected side) post contrast Sequence Time (min:sec) Cor T1 TSE 3:21 Cor T2 FSE 2:35 Axial T1 5:09 Axial T2 3:47 Sag T1 SE 4:38 (each side) Sag T2 FSE 3:24 (affected side) Axial FS T1 4:27 post contrast Sag T1 FS 4:38 (affected side) post contrast FSE = fast spin echo, FOV = field of view, TSE = turbo spin echo, SE = spin echo, FS = fat sat, TR = time to repeat, NEX = number of excitations, ST = slice thickness Table 2.
The following sequences were performed and reviewed: Proton Density (PD) sequences in coronal, sagittal, and axial cuts, Proton Density (PD) Fast Spin Echo (FSE) sequence in coronal cuts, and T2-weighted Fast Spin Echo (FSE) with fat suppression (FS) in sagittal cuts.
Previous investigators found no changes in sensitivity for MR evaluation of the shoulder for extremity and high-field MR (35,36) for fast spin echo compared to conventional spin echo sequences (37) and gradient echo compared to fast spin sequences.
Subjects underwent two phases of data collection: 1) MRI assessment of the knee, patellofemoral joint, and thigh using a T1-weighted, fast spin echo pulse sequence (1.
In their multicenter study involving 263 elderly African American and white men and women with discordant knee pain, axial, coronal, and sagittal plane studies were obtained on fast spin echo MRI, and the WORMS system was used to score pathologic features of the knee.
All patients underwent single shot fast spin echo (SSFSE) imaging between 22 and 42 weeks' gestation.
5T users - at no charge - the VASC[TM] non contrast MRA sequence and a new Fast Spin Echo capability along with a software update.
We have investigated conventional spin echo, fast spin echo and fast fluid attenuated inversion recovery with one of corresponding percentage errors 28.
Axial T1W spin echo, T2W fast spin echo, coronal T1 and STIR sequences were obtained.
MRI protocol Imaging plane MRI sequence weighting Structures optimally assessed Coronal Fast spin echo T1, PD Bones, intrinsic fat sat or STIR and GRE T2 * ligaments, TFCC Axial Fast spin echo PD Fat sat and Bones, scapholunate PD (or T1) ligament, extrinsic ligaments, peri-articular cysts, tendons and nerves Sagittal Fast spin echo PD Fat sat Bones, TFCC, extrinsic ligaments, peri-articular cysts, tendons and nerves PD--Proton density weighted sequence Fat sat-spectral fat saturation GRE--gradient echo