Pathogenesis of this disease at the age of 1, normal before the disease, about half have positive family history of epilepsy or febrile convulsion, fever disease characterized by systemic or side generalized tonic-clonic seizures, myoclonus appears followed TIC and some of the attacks. Often recurrent, light can be unconscious obstacles, generally into fever in 2 months after the attack.
After the age of 2 mental and motor retardation, language barriers, and ataxia, pyramidal sign and interictal periods such as myoclonus. Normal EEG in early may, later generalized Spike and slow wave can appear and many spikes. Stimulus-sensitive to light, this effect is no attack on any treatment, the prognosis is not good.
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