<prompt> All are associated with MEN-2 except -PheochromocytomaIslet cell hyperplasiaMedullary carcinoma thyroidParathyroid adenoma  <response>: MEN type 2 MEN 2, which is also called Sipples syndrome, is characterized by the association of medullary thyroid carcinoma MTC, pheochromocytomas, and parathyroid tumors. Three clinical variants of MEN 2 are recognized: MEN 2A, MEN 2B, and MTC only. Reference : page 2340 Harrisons Principles of Internal Medicine 19th edition 