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Abstract #0622

Robust STARE (Steady-state T2 And Rf Estimation) for high-resolution quantitative T2 mapping at 7T MRI

Rita Schmidt1,2
1Brain Sciences, Weizmann Institute of Science, Rehovot, Israel, 2The Azrieli National Institute for Human Brain Imaging and Research, Weizmann Institute of Science, Rehovot, Israel


T2 mapping can provide a valuable tool for monitoring and characterization of the tissue changes in the brain. Its implementation in 7T MRI will improve SNR and resolution, but also needs to overcome an increase in SAR and B1 inhomogeneity. We developed a Steady-state T2 And Rf Estimation (STARE) method capable to deliver T2 and RF-field maps in 7T brain imaging. This work summarizes progress towards robust high-resolution whole brain T2 mapping. The method was examined in phantoms and human imaging. Whole brain T2 maps with 1mm resolution were acquired within 3:27 minutes, sufficiently fast to be used in clinics.

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