Applications of high-resolution echoplanar spectroscopic imaging for structural imaging

Shantanu Sarkar, Keith Heberlein, Greg Metzger, Xiaodong Zhang, Xiaoping Hu

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Echoplanar spectroscopic imaging (EPSI) was introduced as a fast alternative for spectroscopic imaging and has been recently implemented on clinical scanners. With further advances in gradient hardware and processing strategies, EPSI can be used to obtain spectroscopic images whose spatial resolution parallels that of conventional anatomic images within clinically acceptable acquisition time. The present work demonstrates that high- resolution EPSI can be used to derive structural images for applications in which spectroscopic information is beneficial. These applications are chemical shift (fat-water) imaging, narrow bandwidth imaging, and T2* mapping. In this paper, the EPSI sequence design and processing strategies are detailed and experimental results in normal volunteers are presented to illustrate the potential of using EPSI in imaging anatomic structures.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalJournal of Magnetic Resonance Imaging
Volume10
Issue number1
DOIs
StatePublished - Jul 1999

Keywords

  • Echoplanar spectroscopic imaging
  • Fat-water imaging
  • Narrow-bandwidth imaging
  • Spectroscopic imaging
  • T* mapping

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