Nestoras Mathioudakis, M.D., MHS, Douglas Ball, M.D.


  • A rare tumor originating from the alpha cells of the pancreas that results in hypersecretion of glucagon.
  • Mild diabetes mellitus is a classic presenting feature of glucagonoma.
  • Hyperglycemia results from the glycogenolytic and gluconeogenic effects of glucagon and low insulin-to-glucagon ratio.

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Last updated: February 8, 2018