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Abstract #0765

Effects of SNR on T2 and T2* estimates from a cardiac gradient-echo spin-echo (GESE) echo planar sequence

Qi Huang1, Jason Mendes1, Ganesh Adluru2, and Edward DiBella2
1University of Utah, Salt Lake City, UT, United States, 2UCAIR, salt lake city, UT, United States

Synopsis

Keywords: Signal Modeling, Multi-Contrast, Gradient-echo spin-echo (GESE); Echo Planar;

The bias and precision of T2 and T2* estimates for a five-echo GESE model were studied using CRLB and Monte Carlo simulations. Different SNR cases were implemented by varying the standard deviation of added noise or the T2/T2* ratio. An in-vivo study with high SNRs for all EPI readouts was performed to validate the simulation.

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Keywords