Usefulness of the index calculated as the product of levels of fasting plasma glucose and hemoglobin A1c for insulinoma screening

Hypoglycemia is the major symptom of insulinoma. Chronic and recurrent hypoglycemia leads to the disappearance of autonomic symptoms and persistence of non-specific symptoms alone, possibly contributing to the delayed diagnosis of insulinoma and accounting for several undiagnosed cases. We previousl...

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