Prolactinomas and other pituitary tumors are part of multiple endocrine neoplasia (MEN) type 1 syndrome. MEN type 2 syndromes are divided into types 2A and 2B. MEN type 2A includes hyperparathyroidism, pheochromocytoma, and medullary thyroid carcinoma; MEN type 2B includes pheochromocytoma, medullary thyroid carcinoma, and mucosal neuromas. It is important for physicians to recognize patients with these hereditary syndromes and to encourage all of the patients’ family members to undergo appropriate screening for the disorder
