Abstract #2470
Spatial localization of relaxation dispersion by field-cycling with one-dimensional projection
Kerrin J Pine 1 , Gareth R Davies 1 , and David J Lurie 1
1
Aberdeen Biomedical Imaging Centre,
University of Aberdeen, Aberdeen, Scotland, United
Kingdom
In field-cycling MRI, the normally stable main magnetic
field
B
0
is
manipulated during an examination to explore the field
strength dependency of relaxation rate. Clinical
adoption relies on finding alternatives to
T
1
dispersion
imaging which is associated with lengthy scan times. A
pulse sequence is described for rapid measurement of
T
1
dispersion
with one-dimensional projection. Results are presented
demonstrating the 1D spatial variation of dispersion in
a phantom. The sequence could be used to rapidly locate
pathology of known dispersion for further inspection by
other methods.
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