9-year-old female with previous absent seizures. Off AEDs x 2 years now with convulsive seizures not responding to meds. No intracranial mass or mass effect. No appreciable evidence of cortical dysplasia, gray matter heterotopia, or other findings to suggest possible seizure focus. Bilateral hippocampi are symmetric in size and signal characteristics without evidence of mesial temporal sclerosis. No evidence of infarct or hemorrhage. No hydrocephalus or extra-axial collections. Major flow-voids are preserved indicating vascular patency. No abnormal parenchymal or meningeal enhancement is appreciated.There is moderate mucosal thickening involving the bilateral maxillary sinuses, left greater than right, as well as patchy opacification of the ethmoid air cells.
1. No findings to suggest seizure focus. 2. Moderate mucosal thickening involving the maxillary sinuses and to a lesser degree the bilateral ethmoid air cells.