Diagnosis of Endogenous Hyperinsulinism (2)	

In infants below the age of two years, insulin-secreting tumours are so rare that either functional hyperinsulinism (nesidioblastosis) or malicious sulphonylurea administration must be considered the likely cause of endogenous hyperinsulinism. 

See later:
• Fasting Hypoglycaemia Test
• ‘Inappropriate’ Insulin Secretion
• Plasma Proinsulin Assay
• Plasma C-Peptide Assay
• Localisation of Insulinomas

See also:
• Nesidioblastosis
• Treatment of Endogenous Hyperinsulinism