label: Multiple Endocrine Neoplasia Type 1
label_lc: multiple endocrine neoplasia type 1
description: "Multiple endocrine neoplasia caused by inactivation of the tumor suppressor gene MEN-1. Patients may develop hyperparathyroidism and parathyroid gland adenomas, pituitary gland adenomas, pancreatic islet cell neoplasms, and carcinoid tumors."