Rare Zebra

Rare disease search prototype built on Orphanet data

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ORPHA:1578

Pterin-4 alpha-carbinolamine dehydratase deficiency

Also called Hyperphenylalaninemia due to dehydratase deficiency, Hyperphenylalaninemia due to pterin-4-alpha-carbinolamine dehydratase deficiency, Hyperphenylalaninemia with primapterinuria

Body system
Inborn errors of metabolism
Inheritance pattern
Autosomal recessive
Typical age of onset
Neonatal
Estimated prevalence
Unknown (Worldwide)
Rarity class
Unknown

ORPHA:1578 is classified under "Inborn errors of metabolism" in the Orphanet nomenclature.

Common signs

  • Hyperphenylalaninemia
  • Abnormal circulating biopterin concentration
  • Oculogyric crisis
  • Abnormal circulating neopterin concentration
  • Irritability
  • Hypertonia