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Abstract #0890

In Vivo Conductivity Imaging of Human Knee Using 3 MA Imaging Current

Hyung Joong Kim1, Young Tae Kim1, Woo Chul Jeong1, Atul Singh Minhas1, Tae Hwi Lee1, O Jung Kwon2, Eung Je Woo1

1Biomedical engineering, Kyung Hee University, Yongin, Gyeonggi, Korea, Republic of; 2Medicine, Sungkyunkwan University, Seoul, Korea, Republic of

In Magnetic Resonance Electrical Impedance Tomography (MREIT), we measure induced magnetic flux density subject to multiple injection currents to reconstruct cross-sectional conductivity images. Newly developed multi-echo pulse sequence in MREIT is expected to provide a higher magnitude image SNR and lower noise level in magnetic flux density data. Injecting 3 mA imaging currents into the human knee, we collected induced magnetic flux density data using the multi-echo pulse sequence. Reconstructed conductivity images using the harmonic Bz algorithm show good contrast among different parts of the subcutaneous adipose tissue, muscle, synovial capsule, and bone inside the knee