Clinical applications and techniques of echo-planar imaging

Franz Schmitt, S. Warach, P. Wielopolski, R. R. Edelman

Research output: Contribution to journalArticlepeer-review


The ultrafast magnetic resonance imaging technique known as echo-planar imaging has undergone considerable technical improvements in recent years. It is currently being evaluated at only a few institutions worldwide. Although EPI, invented by P. Mansfield in 1977, is the oldest fast MRI technique, it is still not widely available on clinical scanners. Only 20-30 EPI scanners exist worldwide, compared to about 7000 conventional MRI scanners. The main reason why EPI has not emerged from the scientific prototype niche is its high demands on hardware and software. However, the time is now coming when EPI is entering the clinical stage. We describe the common EPI sequence types, show clinical results, and describe the contrast in the measured images.

Original languageEnglish (US)
Pages (from-to)259-266
Number of pages8
JournalMagma: Magnetic Resonance Materials in Physics, Biology, and Medicine
Issue number3
StatePublished - Oct 1 1994


  • EPI
  • echo-planar imaging
  • ultrafast MRI

ASJC Scopus subject areas

  • Biophysics
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging


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