Conditions / Genetic

Pelizaeus-Merzbacher disease

info · Genetic · ICD-10: E75.27

A hypomyelinating leukodystrophy characterized by impaired myelin formation, nystagmus, spastic quadriplegia, ataxia, and developmental delay that has_material_basis_in mutation in the PLP1 gene on chromosome Xq22.

Signs and symptoms

  • Inability to walk
  • Hypotonia
  • Ataxia
  • Thin corpus callosum
  • Depression
  • CNS hypomyelination
  • Generalized dystonia
  • Intellectual disability
  • Vertical supranuclear gaze palsy
  • Writer's cramp

Also known as: HLD1; Leukodystrophy, sudanophilic; PMD; Pelizaeus Merzbacher brain sclerosis; Pelizaeus-Merzbacher brain sclerosis