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 Haacke^1,3, 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.