Conditions / Genetic

mitochondrial complex IV deficiency nuclear type 2

info ยท Genetic

A COX deficiency, infantile mitochondrial myopathy that has_material_basis_in compound heterozygous mutation in the SCO2 gene on chromosome 22q13.

Signs and symptoms

  • Encephalopathy
  • Peripheral axonal neuropathy
  • Hearing impairment
  • Strabismus
  • Abnormal brainstem MRI signal intensity
  • Vocal cord paralysis
  • Diffuse white matter abnormalities
  • Muscle weakness
  • Mixed demyelinating and axonal polyneuropathy
  • Tachypnea

Also known as: MC4DN2; fatal infantile cardioencephalomyopathy due to cytochrome c oxidase deficiency 1