spin-echo


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Related to spin-echo: spin echo technique, fast spin echo

spin-echo (SE)

a magnetic resonance pulse sequence in which echoes are generated by rephasing spins in the transverse plane using radiofrequency pulses or magnetic field gradients.
References in periodicals archive ?
Purely coherent, elastic scatterers, such as Grafoil[R], Carbopack[TM], and carbon black are all used for measuring the resolution function in spin-echo spectrometers.
As steady-state sequences are very fast sequences where fluid is bright, they can be viewed as a complement or alternative to single-shot fast spin-echo sequences for body MRI applications (eg, for MRCP or fetal imaging).
We routinely employ a single-shot ETSE technique termed HASTE (Half Fourier Acquisition Single Shot Turbo Spin Echo) or single-shot fast spin-echo.
Cervical spine: three-dimensional fast spin-echo MR imaging--improved recovery of longitudinal magnetization with driven equilibrium pulse.
Hyper echoturbo spin-echo sequences at 3T: Clinical application in neuroradiology.
Hyperechoes are used to reduce the RF power deposition from the spin-echo train.
Single-shot fast spin-echo sequences are particularly effective for bowel imaging, (19) minimizing artifacts caused by magnetic susceptibility and peristaltic motion.
In contrast, conventional T2W spin-echo sequences are lengthy and suffer from patient motion and increased examination time.
T2-weighted turbo spin-echo (TSE) imaging yields a high signal of the fluid-equivalent portion (ie, serum) of the hemorrhagic lesion (Figure 2).
Utilizing MRI, lesions should be evaluated in at least 2 different orthogonal planes with conventional T1-weighted and T2-weighted spin-echo MRI pulse sequences.
T1-weighted imaging that uses conventional spin-echo (SE) technique requires significant imaging time and is no longer routinely performed.
A typical diffusion-weighted pulse sequence is constructed by the addition of a pair of diffusion-sensitizing gradients, also known as motion-probing gradients, applied along the same directional axis before and after the 180[degrees] refocusing pulse of a spin-echo sequence.