Table 1.
Subjects | Gender | Age | Seizure onset | Seizure course | EEG | MRI | Effective AEDs | Diagnosis |
---|---|---|---|---|---|---|---|---|
Case 1 (c.124C>T/p.Arg42Ter) | ||||||||
II-2 | Male | 40 yr | <1 yr | GTCS (FS), 1–2 times/yr for 4 yr | NA | NA | NA | FS |
II-3 | Female | 38 yr | <1 yr | GTCS (FS), 1–2 times/yr for 4 yr | NA | NA | NA | FS |
III-1 | Male | 14 yr | 2 yr | GTCS (FS), 1–2 times/yr for 5 yr | NA | NA | NA | FS |
III-2 | Female | 3 yr | 7 mo | GTCS (FS and aFS), 5 times/yr for 1 yr; myoclonic seizures, 10 times/d for 1 mo | Ictal: myoclonic seizures with generalized irregular polyspike-slow waves; interictal: no discharge | Normal | VPA | FS+, myoclonic epilepsy |
III-3 | Male | 4 yr | 8 mo | GTCS (FS and aFS), 5 times/yr for 1 yr | NA | Normal | VPA | FS+ |
III-4 | Female | 8 yr | 2 yr | GTCS (FS), 1–2 times/yr for 3yr | NA | NA | NA | FS |
Case 2 (c.373A>G/p.Lys125Glu) | ||||||||
B: II-1 | Male | 3 yr | 19 mo | GTCS (FS and aFS), 7 times/yr for 1 yr; myoclonic seizures, 3 times/d for 1 mo | Generalized spike-slow waves | Normal | VPA | FS+, myoclonic epilepsy |
AEDs, antiepileptic drugs; aFS, afebrile seizure; EEG, electroencephalogram; FS, febrile seizures; FS+, febrile seizures plus; GTCS, generalized tonic-clonic seizures; MRI, magnetic resonance imaging; NA, not available; VPA, valproate; yr, year; mo, month.