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Abstract #2671

Short T2* Components Separation Based on Hyperbolic Tangent R2* Model Using Dual-Echo UTE Imaging

You-Jin Jeong1,2,3, Seung-Nam Baek4,5, Han-Jae Chung1,2,3, Jong-Min Kim1,2,3, Jun-Sik Yoon1,2,3, Chulhyun Lee6, and Chang-Hyun Oh1,2,3,7
1Electronics and Information Engineering, Korea University, Seoul, Korea, Republic of, 2Korea Artificial Organ Center, Korea University, Seoul, Korea, Republic of, 3ICT Convergence Technology for Health and Safety, Korea University, Sejong, Korea, Republic of, 4Medical Image Engineering, Korea University, Sejong, Korea, Republic of, 5GE Healthcare Korea, Seoul, Korea, Republic of, 6Korea Basic Science Institute, Chungcheongbuk-do, Korea, Republic of, 7Corresponding Author, ohch@korea.ac.kr, Korea, Republic of

Ultrashort Echo-Time (UTE) imaging techniques can visualize short T2* components (i.e., bone). Dual-echo UTE imaging was performed with hyperbolic tangent based R2* model to separate the bone and soft tissue. This work demonstrated that cortical bone and bone marrow of skull are well separated with soft tissue using dual-echo UTE images. The proposed method can potentially be used for MR-only transcranial HIFU planning and PET attenuation correction.

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