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Abstract #2820

T1ρ imaging in 7T: evaluation of high dielectric pad for SAR reduction

Jeehun Kim1,2, Wanyong Shin2,3, Mei Li1,2, and Xiaojuan Li1,2,3
1Biomedical Engineering, Cleveland Clinic, Cleveland, OH, United States, 2Program of Advanced Musculoskeletal Imaging (PAMI), Cleveland Clinic, Cleveland, OH, United States, 3Department of Diagnostic Radiology, Cleveland Clinic, Cleveland, OH, United States

To fully utilize the superior signal-to-noise ratio of 7T MRI for cartilage T imaging, high specific-absorption ratio (SAR) needs to be accounted for. Previous researches showed the use of high dielectric pad could substantially decrease the SAR in 7T MRI. In this work, the effect of the use of high dielectric pad on T imaging in terms of SAR level and T relaxation time quantification.

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