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Abstract #4169

Real-time SNR enhancement in surgical region for intraoperative MRI combining a stationary and a small freely-moving RF coils

Jun-Hee Kim1, Won-Joon Do1, Jong-Woo Lim2, Sang-Chul Lee2, and Sung-Hong Park1

1Magnetic Resonance Imaging Laboratory, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, 2Division of MRI Research, StemLab Inc, Sungnam-si,Gyeonggi-Do, Republic of Korea

This study introduces a new technique to enhance SNR in a surgical region for real-time intraoperative MRI that combines a static big and an endoscopic small RF coils. Segmented imaging using the static RF coil and fast imaging using the small RF coil were performed simultaneously with a reduced FOV. The images from the static and freely-moving RF coils were updated in multiple shots and in every shot, respectively. This technique not only reduces computing time, but also improves SNR in surgical region without intensity variation, which would be beneficial in intraoperative MRI.

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