Multiple endocrine neoplasia, type 1 (MEN-1), is a genetic disorder that affects the body's hormone-producing glands. MEN-1 can lead to tumors in the parathyroid, pancreas, and pituitary glands. These ...

Multiple endocrine neoplasia (MEN) describes a group of rare genetic disorders that affect the body's hormone-producing glands. MEN type 1 usually affects the parathyroid gland(s), the pituitary gland ...