Abstract #2896
Joint Reconstruction of Quantitative T 2 and ADC Maps In The Brain Using Spin Echo Diffusion Weighted Imaging
Eric Aliotta 1,2 and Daniel B. Ennis 1,2
1
Radiological Sciences, UCLA, Los Angeles,
CA, United States,
2
Biomedical
Physics IDP, UCLA, Los Angeles, CA, United States
T2 and ADC maps were jointly reconstructed from signals
with varying TEs and b-values. Joint T2 and ADC maps
were compared to independent reference maps in the brain
in five healthy volunteers as well as in a polyethylene
glycol (PEG) and gadolinium T2-ADC phantom. Comparisons
showed no significant difference between the T2 or ADC
maps in the healthy subjects or the PEG phantom. Joint
acquisition and estimation of T2 and ADC maps is thus
feasible in the brain and shows no loss of accuracy
compared to reference T2 and ADC mapping sequences that
require twice the scan time.
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