Insulinoma epidemiology and demographics: Difference between revisions
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==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
===Incidence=== | ===Incidence=== | ||
*Insulinomas are rare [[neuroendocrine tumor]]s with an incidence estimated at 1 to 4 new cases per million | *Insulinomas are rare [[neuroendocrine tumor]]s with an incidence estimated at 1 to 4 new cases per million individuals per year. | ||
*Insulinoma is one of the most common types of tumor arising from the [[islets of Langerhans]] cells (pancreatic endocrine tumors). | *Insulinoma is one of the most common types of tumor arising from the [[islets of Langerhans]] cells (pancreatic endocrine tumors). | ||
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*Estimates of malignancy (metastases) range from 5% to 30%. | *Estimates of malignancy (metastases) range from 5% to 30%. | ||
*Over 99% of insulinomas originate in the pancreas, with rare cases from ectopic pancreatic tissue. | *Over 99% of insulinomas originate in the pancreas, with rare cases from ectopic pancreatic tissue. | ||
*About 5% of cases are associated with tumors of the [[parathyroid glands]], [[pituitary]], or [[multiple endocrine neoplasia type 1]] and are more likely to be multiple and malignant | *About 5% of cases are associated with tumors of the [[parathyroid glands]], [[pituitary]], or [[multiple endocrine neoplasia type 1]] and are more likely to be multiple and malignant. | ||
===Age=== | ===Age=== | ||
Revision as of 14:01, 15 October 2015
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2]
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Overview
The incidence of insulinoma is approximately 0.1 to 0.4 per 100,000 individuals worldwide. Females are more commonly affected with insulinoma than males.[1] The female to male ratio is approximately 1.5 to 1. The median age at diagnosis is 45.5 years.[1] There is no racial predilection to the insulinoma.
Epidemiology and Demographics
Incidence
- Insulinomas are rare neuroendocrine tumors with an incidence estimated at 1 to 4 new cases per million individuals per year.
- Insulinoma is one of the most common types of tumor arising from the islets of Langerhans cells (pancreatic endocrine tumors).
- Estimates of malignancy (metastases) range from 5% to 30%.
- Over 99% of insulinomas originate in the pancreas, with rare cases from ectopic pancreatic tissue.
- About 5% of cases are associated with tumors of the parathyroid glands, pituitary, or multiple endocrine neoplasia type 1 and are more likely to be multiple and malignant.
Age
- The median age at diagnosis is 45.5 years.[1]
Gender
- Females are more commonly affected with insulinoma than males.[1]
- The female to male ratio is approximately 1.5 to 1.
Race
- There is no racial predilection to the insulinoma.