Abstract #4236
Magnetization Transfer from Inhomogeneously Broadened Lines (ihMT): Field Strength Dependency
Olivier M. Girard 1 , Valentin Prevost 1 , Gopal Varma 2 , David C. Alsop 2 , and Guillaume Duhamel 1
1
CRMBM UMR 7339, CNRS / Aix-Marseille
Universit, Marseille, France,
2
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 imaging myelinated
tissues of the central nervous system. Previous studies
have been performed at 1.5T and 3T using different MR
systems, and high similarities were observed. In this
work the ihMT contrast is quantified at both field
strengths using the same acquisition protocol and
volunteers to further address the potential field
dependency of the ihMT effect. IhMT datasets were very
consistent and show no field dependency. The ihMT
technique is very robust and experiments may be
performed at various field strengths with similar
contrast properties.
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