Abstract #1885
Noninvasive Evaluation of Electrical Conductivity of the Normal Brain and Brain Tumors
Khin Khin Tha 1 , Christian Stehning 2 , Yuriko Suzuki 3 , Ulrich Katscher 2 , Jochen Keupp 2 , Ken Kazumata 1 , Shunsuke Terasaka 1 , Marc Van Cauteren 3 , Kohsuke Kudo 1 , and Hiroki Shirato 1
1
Hokkaido University Graduate School of
Medicine, Sapporo, Japan,
2
Philips
Technologie GmbH, Germany,
3
Philips
Electronics, Japan
This study evaluated the repeatability of noninvasive
electrical conductivity measurements by electric
properties tomography (EPT) and the conductivity values
of the normal intracranial compartments,
normal-appearing brain parenchyma and intra-axial brain
tumors, in 1 normal subject and 25 brain tumor patients.
The results revealed high repeatability of the
measurements, significantly different conductivity
metrics between the tumors and adjacent normal-appearing
brain parenchyma, and possible differentiation of WHO
grade IV tumors from the other tumors. EPT provides
information about the tissuesf electrical conductivity
noninvasively and in vivo, and can become a tool for
diagnosis and monitoring of the brain tumors.
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