Risk factorsBy Mayo Clinic staff
Factors that increase the risk of carcinoid tumors include:
- Older age. Older adults are more likely to be diagnosed with a carcinoid tumor than are younger people or children.
- Sex. Women are more likely than men to develop carcinoid tumors.
- Family history. A family history of multiple endocrine neoplasia, type I (MEN I), increases the risk of carcinoid tumors. In people with MEN I, multiple tumors occur in glands of the endocrine system.
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