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Hyperinsulinemic Hypoglycemia Due to PMM2 Mutation in Two Siblings with Autosomal Recessive Polycystic Kidney Disease

Hyperinsulinemic hypoglycemia (HH) is an important cause of persistent hypoglycemia in newborns and infants. Recently, PMM2 (phosphomannomutase 2) mutation has been associated with HH, especially in conjunction with polycystic kidney disease (PKD). […] Here, we describe a pair of siblings with HH associated with autosomal recessive polycystic kidney disease (ARPKD) and PMM2 mutation.