Multiple Endocrine Neoplasia Type 1

**Semantic type:** Neoplastic Process

**Definition:** Multiple endocrine neoplasia caused by inactivation of the tumor suppressor gene MEN-1. Patients may develop hyperparathyroidism and parathyroid gland adenomas, pituitary gland adenomas, and neuroendocrine tumors.

**Synonyms:** - MEA Type 1 - MEA Type I - MEN 1 - MEN Type 1 - MEN Type I - MEN1 syndrome - Multiple Endocrine Adenomatosis - Multiple Endocrine Adenomatosis Type 1 - Multiple Endocrine Adenomatosis Type I - Multiple Endocrine Adenomatosis, Type I - Multiple Endocrine Neoplasia Type I - Multiple Endocrine Neoplasia, Type I - Multiple endocrine neoplasia [MEN] type I - Wermer Syndrome - Wermer Syndrome - Wermer syndrome - Wermer's Syndrome - multiple endocrine neoplasia type 1 syndrome