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Abstract #4273

Spiral trajectories for 2D parallel excitation of limited slice profiles

Denis Kokorin1, J├╝rgen Hennig1, and Maxim Zaitsev1

1Medical Physics, University Medical Center Freiburg, Freiburg, Germany

In this study, the feasibility of 2D spiral-encoded parallel excitation of limited slice profiles was investigated. The imaging experiments were performed in phantoms on a 3T MRI system with 8 RF channels for transmission and compared to 2D parallel excitation using EPI encoding. The resulting profiles revealed that 2D spiral-encoded parallel excitation is more robust against B1 deviations compared to EPI.

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