Efforts were made to classify the etiology of the patient's epilepsy as idiopathic, cryptogenic, or symptomatic. Idiopathic cases denoted a benign clinical course without any identifiable etiology.

As suspected from the distribution of seizure types, the majority of patients had symptomatic (42.6%) and cryptogenic (39.7%) etiologies ( Table 3). The two most common diagnoses in the ...