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Abstract #1215

An interleaved sequence for simultaneous MRA, SWI and QSM

Yongsheng Chen1,2, Saifeng Liu3, Yan kang1, and E. Mark Haacke1,2,3,4

1Sino-Dutch Biomedical and Information Engineering School, Northeastern University, Shenyang, People's Republic of China, 2Department of Radiology, Wayne State University, Detroit, MI, United States, 3The MRI Institute for Biomedical Research, Waterloo, ON, Canada, 4The MRI Institute for Biomedical Research, Detroit, United States

MRA, SWI and QSM are important for identifying thrombus, hemorrhage, CMBs and assessing oxygen saturation and iron deposition in diseases such as stroke and traumatic brain injury (TBI). Practically, it is important to acquire these data with sufficient resolution, good SNR, co-registered and rapidly. Therefore, we developed a 3D interleaved GRE sequence that produces MRA, SWI, R2* and QSM for imaging arteries, veins and the basal ganglia in 4 minutes at 3T for the entire brain with a resolution of 0.67x1.33x2.0mm3. Five healthy volunteers’ data were acquired approved by the local IRB to demonstrate the utility of this approach.

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