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Magn Reson Med. 1998 Jan;39(1):23-7.

A fast spin echo technique with circular sampling.

Author information

1
Center for In Vivo Microscopy, Department of Radiology, Duke University Medical Center, Durham, North Carolina, USA.

Abstract

This paper presents a fast spin echo (FSE) imaging method that employs circular sampling of k-space. The technique has been implemented on a 2 Tesla imaging system and validated on both phantoms and living animals. Experimental studies have shown that circular sampling can produce artifact-free FSE images without the need of phase correction. Although not fully explored, preliminary results also show that circular sampling may have advantages over the conventional rectilinear FSE in signal-to-noise ratio and imaging efficiency. A major disadvantage is the increased sensitivity to off-resonance effects. The authors expect that the FSE technique with circular sampling will find its applications in magnetic resonance microscopy, neuro-functional imaging, and real-time dynamic studies.

PMID:
9438433
DOI:
10.1002/mrm.1910390106
[Indexed for MEDLINE]

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