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Abstract #0458

Imaging of Focal Cortical Dysplasia at 7 Tesla

Mathijs Buijs1, Albert Colon, 12, Matthias van Osch1, Jeroen van der Grond1, Paul A. Boon, 23, Paul A.M. Hofman, 24, Mark A. van Buchem1

1Leiden University Medical Center, Leiden, Zuid-Holland, Netherlands; 2Epilepsy Centre Kempenhaeghe, Heeze, Noord-Brabant, Netherlands; 3Ghent University Hospital, Ghent, Oost-Vlaanderen, Belgium; 4Maastricht University Medical Center, Maastricht, Limburg, Netherlands

Focal cortical dysplasia (FCD) is thought to be a major cause of cryptogenic localization-related epilepsy, in which conventional MRI is unable to detect a lesion. Scanning at higher field strenghts is likely to increase sensitivity to small lesions, improving the chances of a better surgical outcome. In this pilot study we scanned 10 patients who were diagnosed at 3 Tesla with FCD type II with a 7 Tesla MRI scanner. Features of FCD at 7T were described and compared to the findings at 3T.