Rapid T1 estimation using tagged magnetization‐prepared gradient‐echo MR imaging

Mamoru Niitsu, Norbert G. Campeau, Stephen J. Riederer, Izumi Anno, Yuji Itai

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

A technique for estimation of the longitudinal relaxation time of a large homogeneous object with an acquisition time of 4s or less was developed by combining spatially selective rf tagging pulses with a T1‐weighted magnetization‐prepared gradient‐echo sequence. Multiple 5‐mm‐wide tagged areas are laid orthogonal to the imaging section of interest. The contrast between each tag and the untagged regions differs because each tag is produced at a different time. The T1 value is determined from the nulling time at which tagged and untagged areas have no contrast.

Original languageEnglish (US)
Pages (from-to)377-385
Number of pages9
JournalMagnetic Resonance in Medicine
Volume26
Issue number2
DOIs
StatePublished - Aug 1992

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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