Multiple endocrine neoplasia (MEN) is a group of rare genetic conditions that increase the risk of certain tumors in your glands. Parathyroid, thyroid, adrenal glands, and digestive tract tumors are ...

Multiple endocrine neoplasia type 2 (MEN2) is a rare hereditary disorder that affects the endocrine glands. Doctors mainly associate MEN2 with tumors of the adrenal gland, the thyroid, and the ...

Multiple endocrine neoplasia type 1 (MEN1) is a genetic condition that causes tumors to form in endocrine glands and other organs. Despite not usually being cancerous, these tumors can be very ...