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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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