Conditions / Genetic

developmental and epileptic encephalopathy 99

info ยท Genetic

A developmental and epileptic encephalopathy characterized by onset of seizures in early childhood that has_material_basis_in heterozygous mutation in the ATP1A3 gene on chromosome 19q13.

Signs and symptoms

  • Global developmental delay
  • Multifocal epileptiform discharges
  • Perisylvian polymicrogyria
  • Intellectual disability
  • Microcephaly
  • Status epilepticus
  • Focal-onset seizure
  • Tonic seizure
  • Multifocal seizures
  • Bilateral tonic-clonic seizure

Also known as: DEE99; early infantile epileptic encephalopathy 99