Turboprop: Improved PROPELLER imaging

James G. Pipe, Nicholas Zwart

Research output: Contribution to journalArticle

67 Scopus citations

Abstract

A variant of periodically rotated overlapping parallel lines with enhanced reconstruction (PROPELLER) MRI, called turboprop, is introduced. This method employs an oscillating readout gradient during each spin echo of the echo train to collect more lines of data per echo train, which reduces the minimum scan time, motion-related artifact, and specific absorption rate (SAR) while increasing sampling efficiency. It can be applied to conventional fast spin-echo (FSE) imaging; however, this article emphasizes its application in diffusion-weighted imaging (DWI). The method is described and compared with conventional PROPELLER imaging, and clinical images collected with this PROPELLER variant are shown.

Original languageEnglish (US)
Pages (from-to)380-385
Number of pages6
JournalMagnetic Resonance in Medicine
Volume55
Issue number2
DOIs
StatePublished - Feb 1 2006

Keywords

  • Diffusion
  • MRI
  • Motion
  • Propeller
  • Stroke

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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