label: Phosphoenolpyruvate Carboxykinase Deficiency
label_lc: phosphoenolpyruvate carboxykinase deficiency
description: "A very rare, autosomal recessive inherited disorder caused by deficiency of the enzyme phosphoenolpyruvate carboxykinase, which is involved in gluconeogenesis. It presents with hypoglycemia, failure to thrive, metabolic acidosis, muscle weakness, and hepatomegaly."