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Title:

Correcting gradient chain induced fat quantification errors in radial multi-echo Dixon imaging using a gradient modulation transfer function

Document type:
Article
Author(s):
Zoellner, Christoph; Kronthaler, Sophia; Weiss, Kilian; Boehm, Christof; Stelter, Jonathan; Rahmer, Juergen; Boernert, Peter; Peeters, Johannes M.; Junker, Daniela; Karampinos, Dimitrios C.
Abstract:
Purpose: Multi-echo Stack-of-stars (SoS) radial k-space trajectories with golden angle ordering are becoming popular for free-breathing abdominal Dixon imaging and proton density fat fraction (PDFF) mapping. Gradient chain imperfections including eddy currents and system delays are known to affect the image quality of radial imaging and to confound the estimation of PDFF mapping. This work proposes a retrospective trajectory correction method based on a simple gradient modulation transfer functi...     »
Journal title abbreviation:
Front. Physics
Year:
2023
Journal volume:
11
Fulltext / DOI:
doi:10.3389/fphy.2023.1124980
Print-ISSN:
2296-424X
TUM Institution:
Institut für Diagnostische und Interventionelle Radiologie (Prof. Makowski)
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