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Improved efficiency in double‐inversion fast spin‐echo imaging
Author(s) -
Parker Dennis L.,
Goodrich K. Craig,
Masiker Marilyn,
Tsuruda Jay S.,
Katzman Gregory L.
Publication year - 2002
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.10152
Subject(s) - interleaving , fast spin echo , inversion (geology) , spin echo , nuclear magnetic resonance , pulse sequence , echo time , physics , computer science , magnetic resonance imaging , geology , medicine , radiology , paleontology , structural basin , operating system
Double‐inversion fast spin‐echo (FSE) pulse sequences can be designed to provide excellent suppression of blood signal in black‐blood MRI. However, because a nonselective inversion is used, these sequences typically have been highly inefficient. In this work it is demonstrated that the efficiency of double‐inversion sequences can be greatly improved by a form of interleaving in which all of the slices to be imaged in a single pass are reinverted each time a signal is obtained from any single slice. To date, several studies have demonstrated a high level of blood suppression with these more efficient techniques. Magn Reson Med 47:1017– 1021, 2002. © 2002 Wiley‐Liss, Inc.
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