Abstract #3450
Magnetization Transfer from Inhomogeneously Broadened Lines (ihMT): Improved SC Imaging using ECG Synchronization
Olivier M. Girard 1 , Virginie Callot 1 , Benjamin Robert 2 , Novena Rangwala 3 , Patrick J. Cozzone 1 , David C. Alsop 3 , and Guillaume Duhamel 1
1
CRMBM, UMR 7339 CNRS-AMU, Aix-Marseille
Universit, Marseille, France,
2
Siemens
Healthcare, Saint-Denis, France,
3
Radiology
Department, Beth Israel Deaconess Medical Center and
Harvard Medical School, Boston, MA, United States
Inhomogeneous magnetization transfer (ihMT) imaging has
been proposed as a new method for white matter imaging.
The signal is specific to myelinated tissues and offers
unique opportunity for CNS imaging. One challenge for
spinal cord (SC) imaging is the pulsatility of the CSF
that induces motion around the cord. This can have
dramatic effect on the image quality and triggering
options have to be considered. This study addresses this
problem and proposes a methodology based on ECG
synchronization and retrospective data filtering for
fast acquisition of the SC ihMT signal, free of CSF
pulsatility artifacts.
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