Abstract #2206

An automatically referenced quantitative susceptibility mapping algorithm: QSMauto_ref

Jingu Lee¹, Taehyun Hwang¹, Yoonho Nam², Se-Hong Oh³, and Jongho Lee⁴

¹Department of Electrical and Computer Engineering, Seoul National University, Seoul, Republic of Korea, ²Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, ³Division of Biomedical Engineering, Hankuk University of Foreign Studies, Yongin, Republic of Korea, ⁴Seoul National University, Seoul, Republic of Korea

We proposed a new QSM algorithm that automatically sets CSF as a susceptibility reference. The algorithm utilizes susceptibility effects on R₂’ as a regularization term. The proposed algorithm does not require either segmentation of CSF or a well-refined brain mask and, therefore, can be used reliably.

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