Pathology General 44e05199 Which of the following is not included in Sipple's syndrome- A Pheochromocytoma B Medullary carcinoma thyroid C Hyperthyroidism D Hyperparathyroidism High-Yield Explanation MEN type IIA syndrome is known as Sipple's syndrome. It includes → Medullary Ca thyroid, Pheochromocytoma, Parathyroid adenoma