Why is 7T MRI indispensable in epilepsy now?
Wednesday, April 26, 2023
18:00 UTC
Prof Maxime Guye
CRMBM Aix Marseille University
Recording
Open recording
Hosted by Clinical and Experimental Epilepsy70 minutes
Abstract
Identifying a structural brain lesion on MRI is the most important factor that correlates with seizure freedom after surgery in patients suffering from drug-resistant focal epilepsy. By providing better image contrast and higher spatial resolution, structural MRI at 7 Tesla (7T) can lead to lesion detection in about 25% of patients presenting with negative MRI at lower fields. In addition to a better detection/delineation/phenotyping of epileptogenic lesions, higher signal at ultra-high field also facilitates more detailed analyses of several functional and molecular alterations of tissues, susceptible to detect epileptogenic properties even in absence of visible lesions. These advantages but also the technical challenges of 7T MRI in practice will be presented and discussed.
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