The potential reasons why many patients with severe epilepsy still continue to experience seizures even after surgery have been outlined in a new report. Epilepsy continues to be a serious health problem and is the most common serious neurological disorder. Medically intractable temporal lobe epilepsy (TLE) remains the most frequent neurosurgically treated epilepsy disorder.
Source: Epilepsy: why do seizures sometimes continue after surgery? — ScienceDaily