Abstract #0274

Electrical Conductivity Characteristics of Glioma: Noninvasive Assessment by MRI and Its Validity

Khin Khin Tha^1,2, Ulrich Katscher³, Shigeru Yamaguchi⁴, Shunsuke Terasaka⁴, Toru Yamamoto⁵, Kohsuke Kudo^2,6, and Hiroki Shirato^1,2

¹Department of Radiobiology and Medical Engineering, Hokkaido University Graduate School of Medicine, Sapporo, Japan, ²Global Institution for Quantum Medical Science and Engineering, Hokkaido University, Sapporo, Japan, ³Research Laboratories, Hamburg, Germany, ⁴Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan, ⁵Graduate School of Health Sciences, Sapporo, Japan, ⁶Hokkaido University Hospital, Sapporo, Japan

Electric Properties Tomography was performed in 24 glioma patients, and the electrical conductivity characteristics of glioma were determined noninvasively. Diagnostic performance of electrical conductivity in distinguishing glioma grades was also evaluated. Validity of noninvasive electrical conductivity measurement was proved by correlating with the conductivity values measured ex vivo by a dielectric probe.

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