Conditions / Genetic

developmental and epileptic encephalopathy 31B

info ยท Genetic

A developmental and epileptic encephalopathy characterized by early-onset epilepsy, generalized muscular hypotonia, visual impairment, and severe neurodevelopmental delay that has_material_basis_in homozygous mutation in the DNM1 gene on chromosome 9q34.

Signs and symptoms

  • Poor head control
  • Narrow forehead
  • Clonus
  • Hypsarrhythmia
  • Seizure
  • Protruding tongue
  • Hypotonia
  • Myoclonic seizure
  • Thin corpus callosum
  • Nystagmus

Also known as: DEE31B