Abstract #0130
Delta relaxation enhanced magnetic resonance (dreMR) imaging of a healthy mouse for determination of spin-lattice relaxation rates and R 1 dispersion at 1.5 T
Yonathan T. Araya 1 , Francisco M. Martinez-Santiesteban 1 , Chad T. Harris 2 , William B. Handler 3 , Blaine A. Chronik 3,4 , and Timothy J. Scholl 1,4
1
Medical Biophysics, Western University,
London, ON, Canada,
2
Synaptive
Medical, Toronto, ON, Canada,
3
Physics
and Astronomy, Western University, London, ON, Canada,
4
Robarts
Research Institute, Western University, London, ON,
Canada
Spin-lattice relaxation rates (
R
1
) and
its associated dispersion over a range of magnetic field
shifts (Δ
B
0
) provide useful
quantitative tools to differentiate normal and abnormal
tissues. We present preliminary imaging results for
whole-body
R
1
and
R
1
dispersion
maps of 0.11 T magnetic field shifts about 1.5 T at 37
o
C
for a healthy mouse using delta relaxation enhanced
magnetic resonance (dreMR) imaging. The findings
demonstrate unenhanced tissues exhibit little magnetic
field dependence about 1.5 T.
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