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Modeling dispersion in arterial spin labeling: validation using dynamic angiographic measurements.

Abstract:

A major assumption in arterial spin labeling (ASL) MRI perfusion quantification is the time course of the signal on arrival in the capillary network. The normally assumed square label profile is not preserved during transit of the label through the vasculature. This change in profile can be attributed to a number of effects collectively denoted as dispersion. A number of models for this effect have been proposed, but they have been difficult to validate. In this study ASL data acquired whilst...

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Publication status:
Published

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Publisher copy:
10.1002/mrm.24260

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
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Institution:
University of Oxford
Division:
MSD
Department:
Psychiatry
Role:
Author
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Institution:
University of Oxford
Division:
MSD
Department:
Clinical Neurosciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
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Journal:
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine
Volume:
69
Issue:
2
Pages:
563-570
Publication date:
2013-02-01
DOI:
EISSN:
1522-2594
ISSN:
0740-3194
Source identifiers:
322695

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