Phenotype details |
Paroxymal opisthotonus, DD, early-onset intractable epilepsy, generalized tonic-clonic seizures, delayed psychomotor development, hypotonia, opisthotonus, and dysmorphism. Refractory partial and secondary generalized tonic-clonic or myoclonic seizures since age of 6 months. Normal ALP levels. Mild dysmorphism with wide-set eyes, depressed nasal bridge, and short anteverted nose. No status epilepticus, myoclonic seizures. No microcephaly, bone deformity or joint contracture. |