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) |
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Pages (from-to) | 42-52 |
Number of pages | 11 |
Journal | Magnetic Resonance in Medicine |
Volume | 47 |
Issue number | 1 |
DOIs | |
State | Published - 2002 |
Keywords
- Diffusion
- Fast spin-echo
- Stroke
- Tensor
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging