From:  Impact of neurology staff’s adherence to management guidelines on seizure freedom in epilepsy patients

 Structural etiology

ConditionFrequency
Temporal lobe epilepsy (hippocampal sclerosis)58.9%
Neurocysticercosis7.4%
Traumatic brain injury (TBI)5.1%
Stroke (CVA)4.6%
Cortical dysplasia4%

The most critical etiology was hippocampal sclerosis