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Abstract #4922

Improvement of Reproducibility in Quantitative Susceptibility Mapping (QSM) and Transverse Relaxation Rates (R2*) after Physiological Noise Correction

Joon Yul Choi1, Jingu Lee1, Yoonho Nam2, Woojin Jung1, Jongho Lee1, and Se-Hong Oh3

1Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea, Republic of, 2Department of Radiology, Seoul Saint Mary's Hospital, Seoul, Korea, Republic of, 3Division of Biomedical Engineering, Hankuk University of Foreign Studies, Yongin, Korea, Republic of

Respiration-induced local magnetic field variation makes artifacts in gradient echo based images and reduces reproducibility of QSM and R2*. This study investigated reproducibility after respiration-induced error correction. The results showed a significantly improved reproducibility in QSM and R2* mapping.

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