<prompt> All are associated with MEN-2 except :PhoeochromocytomaIslet cell hyperplasiaMedullary carcinoma thyroidParathyroid adenoma  <response>: Islet cell hyperplasia Ref: Harrison 17the p 2361 16thie p 2231 and Robbins 7the p. 12211 MULTIPLE ENDOCRINE NEOPLASIA MEN SYNDROMES MEN I MEN 2A MEN 2B Pituitary Adenomas, Hyperplasia -- Parathyroid Hyperplasia AdenomasQ Hyperplasia or adenomas Pancreatic islets Hyperplasia AdenoniasQ CarcinomasQ -- ___. Adrenal Coical hyperplasia2 Pheochromocyt omae PheochromocytomaQ Thyroid -- C-cell hyperplasiaQ Medullary carcinoma C-cell hyperplasiao Medullary carcinomaQ Extraendocrine changes . Forcgut carcinoid0 Subcutaneous or visceral . Dermal angiofibroma or collagenoma Cutaneous lichen amyloidosis Hirschsprung diseaseQ Mucosal and gastro intestinal neuroma, ganglio-neuromas, Marfanoid habitus Mutant gene locus MEN I RET RET 