Assessment of frequency drift on CEST MRI and dynamic correction: application to gagCEST at 7 T

Purpose To investigate the effect of a frequency drift of the static magnetic field on 3D CEST MRI based on glycosaminoglycans (GAGs) of articular cartilage at 7 T and to introduce a retrospective correction method that uses the phase images of the gradient‐echo readout. Methods Repeated gagCEST and...

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Veröffentlicht in:	Magnetic resonance in medicine 2019-01, Vol.81 (1), p.573-582
Hauptverfasser:	Windschuh, Johannes, Zaiss, Moritz, Ehses, Philipp, Lee, Jae‐Seung, Jerschow, Alexej, Regatte, Ravinder R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Algorithms Blood Glucose - analysis Cartilage Cartilage (articular) Cartilage, Articular - diagnostic imaging Contrast Media Drift Dynamic correction Female Frequency drift Glycosaminoglycans Glycosaminoglycans - chemistry Healthy Volunteers Humans Image Processing, Computer-Assisted Imaging, Three-Dimensional Knee Knee Joint - diagnostic imaging Magnetic Fields Magnetic Resonance Imaging Male Phantoms, Imaging Pricing policies Protons Reproducibility Reproducibility of Results User-Computer Interface
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