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Abstract #0755

7T Imaging of patients with focal epilepsy who appear non-lesional in diagnostic 1.5T and 3T MRI scans: first results

Rebecca Emily Feldman 1 , Hadrien Dyvorne 1 , Bradley Neil Delman 1 , Madeline Cara Fields 2 , Lara Vanessa Marcuse 2 , and Priti Balchandani 1

1 Radiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States, 2 Department of Neurology, Mount Sinai Hospital, New York, New York, United States

MRI plays a vital role in the localization and characterization of epileptogenic abnormalities. High field MRI has been useful in characterizing hippocampal sclerosis, cortical dysplasias, and vascular malformations associated with epilepsy. We report results for a study designed to assess the value of 7T imaging to reveal subtle abnormalities acting as epileptogenic foci in patients with idiopathic focal epilepsy who have non-lesional diagnostic MRI scans. We report all abnormalities detected at 7T, including those that have had an impact on surgical planning and treatment course as well as findings that could assist with better understanding the etiology of the disease.

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