Conditions / Genetic

hypomyelinating leukodystrophy 4

info · Genetic · ICD-10: E75.2

A hypomyelinating leukodystrophy characterized by autosomal recessive inheritance of hypotonia, nystagmus, psychomotor developmental delay, and severe hypomyelinating leukoencephalopathy that has_material_basis_in homozygous mutation in the HSPD1 gene on chrom

A hypomyelinating leukodystrophy characterized by autosomal recessive inheritance of hypotonia, nystagmus, psychomotor developmental delay, and severe hypomyelinating leukoencephalopathy that has_material_basis_in homozygous mutation in the HSPD1 gene on chromosome 2q33.

Signs and symptoms

  • Poor head control
  • Strabismus
  • Babinski sign
  • Global developmental delay
  • Hypotonia
  • Secondary microcephaly
  • Progressive spasticity
  • Feeding difficulties in infancy
  • Spastic paraplegia
  • Leukodystrophy

Also known as: HLD4; MitCHAP60 disease; Pelizaeus-Merzbacher-like disease due to HSPD1 mutation; mitochondrial HSP60 chaperonopathy