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Abstract #4552

Magnetic Resonance Fingerprinting with Pure Quadratic RF Phase

Charlie Yi Wang1, Rasim Boyacioglu2, Debra McGivney2, Dan Ma2, Xin Yu1,2, and Mark Griswold2

1Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States, 2Radiology, Case Western Reserve University, Cleveland, OH, United States

Previous work has shown that Magnetic Resonance Fingerprinting with quadratic RF phase (qRF-MRF) can be used to simultaneously quantify off-resonance, T1, T2 and T2*. This method employed a mix of bSSFP and qRF pulse sequence block segments for reliable tissue property quantification. However, the incorporation of bSSFP type acquisition schemes resulted in null-band artifacts near bSSFP signal voids. Here, we present a bSSFP-free pure qRF-MRF method with elimination of null-band artifacts, and explore its potential for tissue property mapping with reduced acquisition time.

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