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Abstract #5058

Fast and robust magnetic resonance fingerprinting with Cartesian sampling using random RF and gradient spoilers to reset the longitudinal and transverse magnetization

Daiki Tamada1, Takashi Watanabe1, Tomoyuki Takeguchi1, and Hitoshi Kanazawa2

1Toshiba Corporation, Kawasaki, Japan, 2Toshiba Medical Systems Corporation, Otawara, Japan

A prepulse for resetting longitudinal and transverse magnetization is proposed in order to accelerate magnetic resonance fingerprinting (MRF) with Cartesian sampling. A pulse sequence was developed based on a steady-state free precession sequence in which the prepulse consists of a set of radio frequency (RF) pulses and gradient spoilers. Simulation and experimental results demonstrated that the prepulse enables fast MRF in the presence of additional sequence modules, such as respiration triggering.

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