Abstract #4161
Time efficient and quantitative Sodium imaging at 7T using compressed sensing accelerated FID spectroscopic imaging
Jetse van Gorp 1 , Paul de Bruin 2 , and Peter Seevinck 1
1
Image Sciences Institute, University Medical
Center Utrecht, Utrecht, Utrecht, Netherlands,
2
Department
of Radiology, Leiden University Medical Center, Leiden,
Zuid-Holland, Netherlands
In this work we propose a flexible and quantitative
method for sodium (23Na) imaging to determine the total
sodium concentration (TSC) and characterize the signal
decay, which is related to bound and unbound 23Na. A
(compressed sensing accelerated) 3D FID spectroscopic
imaging sequence is used to maximize the ratio between
sampling time and total acquisition time to optimize the
SNR, obtain a high temporal resolution and acquire 23Na
images in both a calibration phantom and in the knee of
a healthy volunteer.
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