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insulinoma
(redirected from insulinomas)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
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.
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.

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

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.

insulinoma [in″su-lin-o´mah]
a tumor of the beta cells of the islets of Langerhans; although usually benign, it is one of the chief causes of hypoglycemia.

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

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.


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Only about 10 percent of insulinomas are malignant, and the symptoms of hypoglycemia can be eliminated by surgical removal of the tumor.
Low glucose levels (hypoglycemia) are seen with adrenal insufficiency, alcohol intake, extensive liver disease, hypopituitarism, hypothyroidism, insulin overdose, starvation, insulinomas (insulin-producing pancreatic tumors), and drugs--acetaminophen and anabolic steroids.
Insulinomas are the most common and are usually benign.
 
 
 
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