Computed Tomography in Temporal Lobe Epilepsy

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Abstract
Patients (40) who had intractable temporal lobe epilepsy had surgery for treatment of their seizures following study by computed tomography (CT). Fifteen of 19 patients with tumors had good correlation between CT and pathological findings. Another group of patients had macroscopic changes that were demonstrated on CT and verified at surgery. Sixteen patients had microscopic pathological diagnoses including cytoarchitectural abnormalities, Chaslin gliosis and ectopic neurons. Six of these had enlarged temporal horns on the ipsilateral and 5 on the contralateral side to the EEG pathological abnormality. In investigation of temporal lobe epilepsy CT, especially with the newer generation scanners, records tumors and other larger macroscopic changes. Temporal horn size is unreliable in predicting the abnormal side if only microscopic changes are present.