Abstract
Purpose: To determine the role in presurgical assessment and evaluate the yield of fast fluid-attenuated inversion recovery (FLAIR) sequences for patients with intractable partial epilepsy for whom conventional magnetic resonance imaging (MRI) was normal. Material and Methods: Forty patients were selected. Conventional MRI including spin echo T<sub>1</sub>-weighted sagittal images and fast spin echo T<sub>2</sub>-weighted axial images was normal in 33 patients and showed noninformative lesions in 7. Fast FLAIR and T<sub>2</sub>-weighted sequences were performed perpendicularly to the hippocampal long axis. Results: Additional abnormalities were found in 40%. They were correlated with electroclinical data in 13 patients (32.5%) and not correlated or doubtful in 3 (7.5%). Conclusion: Fast FLAIR sequences brought congruent additional information in 32.5% cases and seemed useful in presurgical evaluation.
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