Multishot diffusion-weighted FSE using PROPELLER MRI

James G. Pipe; Victoria G. Farthing; Kirsten P. Forbes

doi:10.1002/mrm.10014

Multishot diffusion-weighted FSE using PROPELLER MRI

James G. Pipe, Victoria G. Farthing, Kirsten P. Forbes

Radiology

Research output: Contribution to journal › Article › peer-review

327 Scopus citations

Abstract

A method for obtaining diffusion-weighted images that are free from the artifacts associated with echo-planar acquisitions, such as signal pile-up and geometric warping, is introduced. It uses an ungated, multishot fast spin-echo (FSE) acquisition that is self-navigated. The phase of the refocusing pulses is alternated to minimize non-Carr-Purcell-Meiboom-Gill (CPMG) artifacts. Several reconstruction methods are combined to make this method robust against motion artifacts. Examples are shown of clinical diffusion-weighted imaging and high-resolution diffusion tensor imaging.

Original language	English (US)
Pages (from-to)	42-52
Number of pages	11
Journal	Magnetic Resonance in Medicine
Volume	47
Issue number	1
DOIs	https://doi.org/10.1002/mrm.10014
State	Published - 2002

Keywords

Diffusion
Fast spin-echo
Stroke
Tensor

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

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10.1002/mrm.10014

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AU - Forbes, Kirsten P.

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AB - A method for obtaining diffusion-weighted images that are free from the artifacts associated with echo-planar acquisitions, such as signal pile-up and geometric warping, is introduced. It uses an ungated, multishot fast spin-echo (FSE) acquisition that is self-navigated. The phase of the refocusing pulses is alternated to minimize non-Carr-Purcell-Meiboom-Gill (CPMG) artifacts. Several reconstruction methods are combined to make this method robust against motion artifacts. Examples are shown of clinical diffusion-weighted imaging and high-resolution diffusion tensor imaging.

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KW - Fast spin-echo

KW - Stroke

KW - Tensor

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Multishot diffusion-weighted FSE using PROPELLER MRI

Abstract

Keywords

ASJC Scopus subject areas

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