insulinoma

insulinoma /in·su·li·no·ma/ (in″sdbobr-lin-o´mah) an islet cell tumor of the beta cells, usually benign, that secretes insulin and is one of the chief causes of hypoglycemia.

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in·su·li·no·ma (ns-l-nm)

n. pl. in·su·li·no·mas or in·su·li·no·ma·ta (-m-t)

An islet cell adenoma that secretes insulin. Also called insuloma.

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Insulinoma

Tumor that arises from the insulin-producing cells in the pancreas.

Mentioned in: Pancreatic Cancer, Endocrine

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insulinoma

[in′səlinō′mə] pl. insulinomas, insulinomata

Etymology: L, insula + Gk, oma, tumor

a tumor, usually benign, of the insulin-secreting cells of the islets of Langerhans. Surgical resection of the tumor may be possible, thus limiting the development of hypoglycemia. Also called insuloma, islet cell adenoma. Compare islet cell tumor.

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insulinoma

a tumor of the beta cells of the islets of Langerhans; although usually benign, it is one of the chief causes of hypoglycemia.

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insulinoma

Insuloma Oncology A pancreatic islet cell tumor, which is characterized by overproduction of insulin, resulting in hypoglycemia of sufficient severity to trigger a coma; insulinomas are typical of MEN I. See MEN I.