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MR imaging of brain surface using steady‐state free precession
Author(s) -
Takane Atsushi,
Koizumi Hideaki
Publication year - 1992
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.1910250213
Subject(s) - precession , nuclear magnetic resonance , cerebrospinal fluid , pulse (music) , signal (programming language) , relaxation (psychology) , steady state (chemistry) , physics , magnetic resonance imaging , larmor precession , nuclear medicine , chemistry , optics , medicine , neuroscience , computer science , condensed matter physics , radiology , magnetic field , pathology , psychology , quantum mechanics , detector , programming language
We present an imaging technique that affords direct and noninvasive visualization of brain surface structure. This technique utilizes the signal before the rf pulse in steady‐state free precession. This signal highly reflects the spin‐spin relaxation time T 2 , as was studied in our laboratory (Matsui et al. J. Magn. Reson. 62 12, 1985). Therefore the cerebrospinal fluid (CSf), having a long T 2 , is depicted as high intensity. The CSF permeates cerebral sulci and fissures. The imaging time with this technique is less than 1 min. © 1992 Academic Press, Inc.