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Abstract #3484

Electrical Conductivity in Ischemic Stroke at 7.0 Tesla: A Case Study

Astrid L.H.M.W. van Lier1, Anja G. van der Kolk2, Manon Brundel3, Jeroen Hendrikse2, Peter R. Luijten2, Jan J.W. Lagendijk1, Cornelis A.T. van den Berg1

1Radiotherapy, UMC Utrecht, Utrecht, Netherlands; 2Radiology, UMC Utrecht, Netherlands; 3Neurology, UMC Utrecht, Netherlands

In ischemic stroke, [Na+] increases due to ischemia and subsequent disturbance of ion homeostasis. Recently, electrical properties tomography (EPT) was introduced as a new contrast in MRI. This contrast enables us to visualize the local electrical properties of tissue, being the conductivity and permittivity; the electrical conductivity is related to [Na+]. In this study, it was shown that electrical conductivity was locally elevated in the tissue affected by the infarction.