Conditions / Genetic

Alpers-Huttenlocher syndrome

info · Genetic · ICD-10: G31.81

A mitochondrial DNA depletion syndrome that is characterized by a clinical triad of psychomotor retardation, intractable epilepsy, and liver failure in infants and young children, and has_material_basis_in autosomal recessive inheritance of homozygous or compo

A mitochondrial DNA depletion syndrome that is characterized by a clinical triad of psychomotor retardation, intractable epilepsy, and liver failure in infants and young children, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the nuclear gene encoding mitochondrial DNA polymerase gamma (POLG) on chromosome 15q26.

Signs and symptoms

  • Ataxia
  • Cerebral visual impairment
  • Cerebral atrophy
  • Bile duct proliferation
  • Acute hepatic failure
  • Ascites
  • Micronodular cirrhosis
  • Hepatic failure
  • Cerebellar atrophy
  • Gliosis

Also known as: Alper's syndrome; Alpers disease; Alpers progressive infantile poliodystrophy; Alpers syndrome; Alpers' disease or gray-matter degeneration