Temperature mapping using the water proton chemical shift: A chemical shift selective phase mapping method

Kagayaki Kuroda, Koichi Oshio, Andrew H. Chung, Kullervo Hynynen, Ferenc A. Jolesz

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

A proton-chemical-shift-based temperature imaging method, called chemical shift selective phase mapping, is proposed. The technique uses frequency-selective suppression to provide frequency selectivity to the phase mapping method. Separate imaging of the phase distributions of the water and nonwater signals reduced the error due to the presence of a nonwater signal in measuring the water proton chemical shift change in two-component samples. Imaging of the phase difference between water and oil yielded an internally referenced water proton chemical shift measurement to visualize the temperature change distribution, which was unaffected by motion-induced susceptibility changes.

Original languageEnglish
Pages (from-to)845-851
Number of pages7
JournalMagnetic Resonance in Medicine
Volume38
Issue number5
DOIs
Publication statusPublished - 1997 Nov 1
Externally publishedYes

Keywords

  • Chemical shift
  • MRI
  • Phase mapping
  • Temperature

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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