Voxel-size dependent quantitative susceptibility mapping of blood vessel networks: A simulation study

Quantitative susceptibility mapping provides a measure for the local susceptibility within a voxel in magnetic resonance imaging (MRI). So far, theoretical and numerical studies focus on the assumption of a constant susceptibility inside each MR voxel. For blood vessel networks, however, susceptibil...

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Published inZeitschrift für medizinische Physik Vol. 29; no. 3; pp. 282 - 291
Main Authors Buschle, Lukas R., Kampf, Thomas, Kurz, Felix T., Sturm, Volker J.F., Pham, Mirko, Schlemmer, Heinz-Peter, Ziener, Christian H.
Format Journal Article
LanguageEnglish
Published Germany Elsevier GmbH 01.08.2019
Subjects
Blood vessel networks
Blood Vessels - diagnostic imaging
Contrast Media
Functional quantitative susceptibility mapping
Image Processing, Computer-Assisted
Magnetic Resonance Imaging
Models, Biological
MR microstructure
Phantoms, Imaging
Phase images
MR microstructure
Blood vessel networks
Phase images
Functional quantitative susceptibility mapping
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Summary:Quantitative susceptibility mapping provides a measure for the local susceptibility within a voxel in magnetic resonance imaging (MRI). So far, theoretical and numerical studies focus on the assumption of a constant susceptibility inside each MR voxel. For blood vessel networks, however, susceptibility differences between blood and surrounding tissue occur on a much smaller length scale than the typical voxel size in routine MRI. In this work, the dependency of the quantitative susceptibility value on vessel size and voxel size is analyzed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0939-3889
1876-4436
DOI:10.1016/j.zemedi.2018.09.002