In patients with drug-resistant epilepsy, especially those in the trajectory for epilepsy surgery, neuroimaging is crucial: identifying and delineating a lesion improves postoperative seizure outcome. MRI with higher field strength has an increased signal and contrast to noise ratio (SNR/CNR) leading to an increased spatial resolution. Since over a decade, research related to the application of ultra-high field MRI is increasing. Studies in patients with focal drug-resistant epilepsy, both with and without a lesion on “standard” 3T MRI images, show promising results on high field MRI.
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