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Abstract #2447

Polarity-Corrected TI Prep Tool for Delayed-Enhancement MR Imaging and T1 Mapping

Shigehide Kuhara 1 , Hironobu Ishikawa 2 , Takashi Kanazawa 2 , Shinya Seino 2 , Shuhei Bannae 1 , Hideaki Takasumi 2 , Takanori Sato 2 , and Takeshi Yusa 2

1 Toshiba Medical Systems Corporation, Otawara-shi, Tochigi, Japan, 2 Department of Radiology, Fukushima Medical University Hospital, Fukushima, Japan

We have developed a new method for determining the optimal TI value, called Polarity-Corrected (PC) TI Prep tool, based on the IR + 2D segmented FE technique. In this new method, the acquired data is corrected to match the data points after magnetization recovery by phase correction, and curve fitting with RR correction is then applied to determine the optimal TI value analytically. This method can also be used to measure the T1 values together with the optimal TI value, which suggests that it should be suitable for use as a T1 mapping tool in commercially available MRI scanners.

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