Causes & Risk Factors for Pituitary Tumors

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Swedish Pituitary Center

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The cause is unknown. Some tumors have been associated with changes in DNA. These can be inherited.

Tumors can also be a result of exposure to cancer causing substances. In some cases the DNA changes may occur for no known reason.

Risk Factors

Factors that increase your chance of pituitary adenoma include

  • A family or personal history of multiple endocrine neoplasia.
  • Type 1 (MEN1) -a hereditary condition that increases the risk of developing pituitary.
  • Hypothalamus and parathyroid tumors.

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