Abstract #3241
Repeatability of whole-body T1 mapping using B1 corrected T1 mDIXON imaging
Anna Barnes 1 , Catherine Morgan 2 , Alan Bainbridge 3 , Lorna Smith 4 , Scott Rice 5 , David Atkinson 6 , and Shonit Punwani 5
1
Nuclear Medicine, University College
Hospital, London, England, United Kingdom,
2
Centre
of Medical Imaging and Computing, University College
London, london, England, United Kingdom,
3
Medical
Physics, University College Hospital, London, England,
United Kingdom,
4
Radiology,
University College Hospital, London, England, United
Kingdom,
5
Radiology,
University College Hospital, london, England, United
Kingdom,
6
Centre
of Medical Imaging, University College London, london,
England, United Kingdom
This abstract describes the work done to establish whole
body B1 corrected T1 mapping optimised for use with only
2 flip angles. The authors present results that show a
flip angle pair of 2.5 and 20 provides a robust and
reproducible T1 map across a number of subjects and time
points when compared to using all 8 flip angles to
calculate T1. The mDixon sequence is expected to have
SNR benefits over a single gradient echo since it
combines multiple echo times.
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