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Abstract #3253

Considerations in P-Space Susceptibility Tensor Imaging: K-Space Truncation Effect, T2* Dependence, and 3T/7T Comparison

Jae Mo Park 1 , Mohammad Mehdi Khalighi 2 , Deqiang Qiu 3 , Greg Zaharchuk 1 , Chunlei Liu 4 , and Michael Moseley 1

1 Radiology, Stanford University, Stanford, CA, United States, 2 Applied Science Laboratory, GE Healthcare, CA, United States, 3 Radiology, Emory University, GA, United States, 4 Radiology, Duke University, Durham, NC, United States

Recently, the multi-pole based (p-space) susceptibility tensor imaging (STI) that only requires single gradient echo MR scan was developed and was successful to produce a tensor image of mouse brain at 7T, which was strikingly correspondence to diffusion tensor image. In this study, we compared the multi-pole based STI at 3T and 7T in a human brain, and explored the T2* dependence of the susceptibility anisotropy as well as the k-space truncation effects caused by shifts of k-space .

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