“…Multiple endocrine neoplasia type 1 (MEN-1) is an autosomal dominant condition associated with various combinations of 3 groups of endocrine tumors: (1) parathyroid adenomas (most common of all endocrine tumors in MEN-1), (2) pituitary tumors, including prolactinoma (most common of all pituitary tumors in MEN-1), acromegaly, Cushing disease, and (3) gastro-entero-pancreatic tumors such as gastrinoma, insulinoma, and glucagonoma, and nonendocrine tumors, including carcinoid, facial angiofibroma, lipoma, meningioma, ependymoma, and leiomyoma (1)(2)(3). Clinical diagnostic criteria for MEN-1 include presence of at least 2 of the 3 groups of endocrine tumors as listed above (1).…”