D-2-hydroxyglutaric aciduria

What is D-2-hydroxyglutaric aciduria?

D-2-hydroxyglutaric aciduria (D-2-HGA) is a rare clinically variable neurological form of 2-hydroxyglutaric aciduria (see this term) characterized biochemically by elevated D-2-hydroxyglutaric acid (D-2-HG) in the urine, plasma and cerebrospinal fluid.

Other condition names

  • D-2-HGA
  • D-2-hydroxyglutaric acidemia

Inheritance type

Autosomal dominant, Autosomal recessive


  • Worldwide: <1 in 1,000 000

Age of Onset

  • Childhood
  • Infancy
  • Neonatal
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