Assessment of frequency drift on CEST MRI and dynamic correction: application to gagCEST at 7 T.
Johannes WindschuhMoritz ZaissPhilipp EhsesJae-Seung LeeAlexej JerschowRavinder R RegattePublished in: Magnetic resonance in medicine (2018)
Prospective or retrospective correction of the frequency drift of the MRI scanner is essential for reproducible gagCEST measurements. The proposed retrospective correction method fulfills this requirement without the need of additional measurements.