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Abstract #4153

Application of Electric Properties Tomography to Ischemic Stroke: Comparison of Conductivity between Infarct and Contralateral Brain

Onila Rasanjala1, Nguyen Trong Nguyen 2, Joohyun Kim3, Eunju Kim3, Ulrich Katscher4, Byung Hyun Baek5, and Ilwoo Park1,5
1Department of Artificial Intelligence Convergence, Chonnam National University, Gwangju, Korea, Republic of, 2Department of Biomedical Science, Chonnam National University, Gwangju, Korea, Republic of, 3Philips Korea, Seoul, Korea, Republic of, 4Philips Research Laboratories, Hamburg, Germany, 5Department of Radiology, Chonnam National University, Gwangju, Korea, Republic of


We demonstrate the feasibility of obtaining conductivity using EPT from patients with stroke. The ischemic lesion exhibited significantly higher conductivity values than the contralateral brain tissue in the cerebral brain, while the pons and cerebellum showed similar levels of conductivity values between the ischemic lesion and the contralateral brain tissue. The levels of conductivity value appeared to be specific to regions. The infratentorial normal brain exhibited a significantly higher level of conductivity than the supratentorial brain. In addition, the levels of conductivity were significantly different between the ischemic lesions of basal ganglia & thalamus and cerebral hemisphere.

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