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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



MEN1 syndrome  listen  (... SIN-drome)

  A rare, inherited disorder that affects the endocrine glands and can cause tumors in the parathyroid and pituitary glands and the pancreas. These tumors are usually benign (not cancer). They cause the glands to secrete high levels of hormones, which can lead to other medical problems, such as kidney stones, fertility problems, and severe ulcers. In some cases, tumors inside the pancreas can become malignant (cancer). Also called multiple endocrine adenomatosis, multiple endocrine neoplasia type 1 syndrome, and Wermer syndrome.