Abstract #3203

Geometric solution to the fully balanced SSFP signals

Hao Song¹, John Hazle¹, and Jingfei Ma¹

¹Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States

Fully-balanced steady-state free precession (bSSFP) is clinically useful because of its high SNR efficiency, imaging speed and unique T₂/T₁ contrast. A geometric solution to bSSFP has been derived and provides a simple and intuitive understanding of how the complex steady-state signals are formed. However, T₁ and T₂ relaxation has generally been ignored. In this work, we present an exact geometric solution to the bSSFP signals by including the T₁ and T₂ relaxation effects. The results are consistent with those based on matrix calculations, and are useful in understanding different aspects of bSSFP signal behavior.

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