12 years, Female, with progressive memory loss since October, 2014. No evidence of cortical dysplasia or gray matter heterotopia. No intracranial mass or mass-effect. Bilateral hippocampi are symmetric in size and signal characteristics. No areas of restricted diffusion. No intracranial hemorrhage. The ventricles are within normal limits in size and configuration. Brain parenchymal volume appears within normal limits. Major flow-voids are preserved.Sella and orbits are grossly within normal limits. Paranasal sinuses and mastoid cells are clear. Bone marrow signal and extracranial soft tissues are within normal limits.
No structural lesions in the brain are appreciated. No findings to suggest seizure focus. 