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Abstract #5167

Measurement of Extracellular Electrical Conductivity Using Conductivity Tensor Imaging

Bup Kyung Choi1, Nitish Katoch1, Ji Ae Park2, Tae Hoon Kim3, Young Hoe Hur4, Jin Woong Kim5, and Hyung Joong Kim1
1Department of Biomedical Engineering, Kyung Hee University, Seoul, Korea, Republic of, 2Division of Applied RI, Korea Institute of Radiological and Medical Science, Seoul, Korea, Republic of, 3Medical Convergence Research Center, Wonkwang University Hospital, Iksan, Korea, Republic of, 4Department of Hepato-Biliary-Pancreas Surgery, Chonnam National University Medical School, Gwangju, Korea, Republic of, 5Department of Radiology, Chosun University Hospital and Chosun University College of Medicine, Gwangju, Korea, Republic of

Synopsis

Keywords: Electromagnetic Tissue Properties, Electromagnetic Tissue Properties, Electrical Conductivity, Low-frequency conductivity, High-field MRI, Tissue properties, Cell density imagingConductivity measured at low-frequency can provide information on extracellular space (ECS), which will be useful in clinical applications such as tumor imaging and bioelectromagnetic modeling. Recently proposed conductivity tensor imaging (CTI) technique provides the anisotropic low-frequency conductivity distribution extracted from high-frequency conductivity measurement from the B1 map of MRI. The extracellular conductivity measured using CTI from three phantoms was compared with an impedance analyzer. The accuracy of the CTI technique was estimated to be high enough for most clinical applications.

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