Abstract #0751

Separating positive and negative susceptibility sources in QSM

Jingu Lee¹, Yoonho Nam², Joon Yul Choi¹, Hyeonggeol Shin¹, Taehyun Hwang¹, and Jongho Lee¹

¹Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea, Republic of, ²Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of

We proposed a new QSM algorithm that separates positive and negative susceptibility sources within a voxel by utilizing signal relaxation (R₂') for dipole inversion. The new method was tested in computer simulated phantoms and in-vivo data, and successfully separated positive and negative susceptibility sources.

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