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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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