GPT and hyperinsulinism: The laboratory tests revealed hyperinsulinemia (36 μU/ml) and increased levels of liver enzymes (alanine aminotransferase -ALT- 41 UI/L; aspartate aminotransferase -AST- 73 UI/L; alkaline phosphatase -ALP- 334 UI/L; gamma glutamil transferase -γGT- 82 UI/L).