Multiple Endocrine Neoplasia (MEN) Syndromes – Mnemonic
Multiple endocrine neoplasia (MEN) syndromes comprise MEN1, MEN2A, and MEN2B. MEN1 features pituitary adenomas, parathyroid hyperplasia, and pancreatic tumors. MEN2A involves calcitonin, calcium, and catecholamines leading to hypercalcemia and hypertension. MEN2B is characterized by a marfanoid habitus and mucosal neuromas. Each syndrome presents distinct clinical features.