Insulinoma: clinical manifestations, diagnosis and treatment. The significance of the prolonged fasting test and of the fasting blood glucose-insulin relationship.

This paper describes the clinical manifestations and the significance of the fasting blood glucose-insulin relationship and the prolonged fasting test in the diagnosis of insulinoma. Pre-and postoperative results are reported. In addition, a description is given of the angiographic demonstration and the results of the surgical removal of the insulinomas.