Phenotype details |
walking without support-28m; seizure; walk-2y4m; severe intellectual disability (IQ=25 12y); speech few words; microcephaly (−2.0 SD); 11m-generalized tonic-clonic seizures, 5y-loss of consciousness with abnormal eye movement, 10y-complex partial seizure, 10y-atonic seizure,; seizure therapy intractable; regression motor skill; ataxia; intention tremor; rigidity; myoclonus; spasticity; increased deep tendon reflex upper and lower limbs; no pathogenic reflex; no dysmorphic features; wheelchair-bound; MRI brain mild cerebellar atrophy; EEG diffuse slow wave with 2–3 Hz and spike-and-wave in bilateral frontal region (3 years and 4 years), diffuse theta waves with 4–5 Hz and spike-and-wave burst with 2–3 Hz (9 years), multifocal spikes in left parietal region and bilateral frontal regions (12 years), multispikes in left occipital region (13 years), slow waves at baselines (23 years); giant somatosensory evoked potential; systemic lupus erythematosus |