Conditions / Nervous system

leukoencephalopathy with variable cortical brain malformations and/or hydrocephalus

info ยท Nervous system

A lissencephaly characterized by hydrocephalus, seizures, severely delayed psychomotor development, and cobblestone changes in the cortex, more severe in the posterior region, and subcortical band heterotopia that has_material_basis_in homozygous or compound h

A lissencephaly characterized by hydrocephalus, seizures, severely delayed psychomotor development, and cobblestone changes in the cortex, more severe in the posterior region, and subcortical band heterotopia that has_material_basis_in homozygous or compound heterozygous mutation in the LAMB1 gene on chromosome 7q31.1.

Signs and symptoms

  • Hypoplasia of the brainstem
  • Seizure
  • Motor delay
  • Type II lissencephaly
  • Cerebellar hemisphere hypoplasia
  • Hydrocephalus
  • Intellectual disability
  • Cerebellar vermis hypoplasia
  • Abnormal cerebral white matter morphology
  • Occipital encephalocele

Also known as: LIS5; lissencephaly 5