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Density‐weighted concentric rings k‐space trajectory for 1H magnetic resonance spectroscopic imaging at 7 T

Abstract:

It has been shown that density‐weighted (DW) k‐space sampling with spiral and conventional phase encoding trajectories reduces spatial side lobes in magnetic resonance spectroscopic imaging (MRSI). In this study, we propose a new concentric ring trajectory (CRT) for DW‐MRSI that samples k‐space with a density that is proportional to a spatial, isotropic Hanning window. The properties of two different DW‐CRTs were compared against a radially equidistant (RE) CRT and an echo‐planar spectroscopi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/nbm.3838

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Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
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Institution:
University of Oxford
Division:
Medical Sciences Division
Department:
Oncology
Role:
Author
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Institution:
University of Oxford
Division:
Medical Sciences Division
Department:
Clinical Neurosciences
Role:
Author
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Funding agency for:
Jezzard, P
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Funding agency for:
Emir, U
Publisher:
Wiley Publisher's website
Journal:
NMR in Biomedicine Journal website
Volume:
31
Issue:
1
Article number:
e3838
Publication date:
2017-10-18
Acceptance date:
2017-09-05
DOI:
EISSN:
1099-1492
ISSN:
0952-3480
Pmid:
29044762
Language:
English
Keywords:
Pubs id:
pubs:737155
UUID:
uuid:17bf6d52-cb21-4c99-bf35-85468f8356d7
Local pid:
pubs:737155
Deposit date:
2017-11-01

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