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Abstract #4517

Effect of Orientation of 2D Phase High-Pass Filter on Susceptibility Mapping of Veins & Microbleeds

Jaladhar Neelavalli1, Saifeng Liu2, YuChung Norman Cheng3, Ewart Mark Haacke1,3, Zhifeng Kou4

1The Magnetic Resonance Imaging Institute for Biomedical Research, Detroit, MI, United States; 2Biomedical Engineering, Mcmaster University, Hamilton, Ontario, Canada; 3Academic Radiology, Wayne State University, Detroit, MI, United States; 4Biomedical Engineering, Wayne State University, Detroit, MI, United States

We find that the slice orientation in which 2D homodyne high pass filter is applied on phase data strongly influences susceptibility quantification error. This error also varies with the relative orientation of vessels with the main field.