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Fast MRI by creating multiple spin echoes in a CPMG sequence.

作者信息

Oshio K, Jolesz F A

机构信息

Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115.

出版信息

Magn Reson Med. 1993 Aug;30(2):251-4. doi: 10.1002/mrm.1910300216.

DOI:10.1002/mrm.1910300216
PMID:8366807
Abstract

A fast multislice imaging technique has been developed. RASTER (Rapid Acquisition with STimulated Echo Refocusing) is based on RARE (Rapid Acquisition with Relaxation Enhancement), and creates multiple spin echoes/each 180 degrees pulse utilizing stimulated echoes, and phase encode each differently. The sequence can be much faster than RARE while keeping the same spin echo image contrast. The main limitation of the technique is reduced signal-to-noise ratio.

摘要

相似文献

1
Fast MRI by creating multiple spin echoes in a CPMG sequence.
Magn Reson Med. 1993 Aug;30(2):251-4. doi: 10.1002/mrm.1910300216.
2
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Fast imaging of phosphocreatine using a RARE pulse sequence.使用快速自旋回波(RARE)脉冲序列对磷酸肌酸进行快速成像。
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Easy improvement of signal-to-noise in RARE-sequences with low refocusing flip angles. Rapid acquisition with relaxation enhancement.通过低重聚焦翻转角在RARE序列中轻松改善信噪比。利用弛豫增强进行快速采集。
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Single-shot GRASE imaging without fast gradients.
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T1 maps from shifted spin echoes and stimulated echoes.来自移位自旋回波和受激回波的T1图谱。
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