American family physician
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Insulinoma, glucagonoma, gastrinoma (Zollinger-Ellison syndrome), vipoma, somatostatinoma and a tumor that secretes human pancreatic polypeptide are the primary endocrine-secreting tumors of the pancreas. hormones are produced by specific tumor cell types and cause a variety of dramatic clinical pictures. Diagnosis often requires hormone assays. Computerized tomography may be helpful. Definitive surgical treatment is possible, but metastases may be present.