<prompt> Which s not seen in MEN IParathyroid adenomaPancreatic cancerProlactinomaMedullary carcinoma thyroid  <response>: Ans. is d i.e., Medullary Ca o MEN Multiple endocrine neoplasia or MEA Multiple endocrine adenomatosis syndrome are characterized by familial occurances of multiple endocrine neoplasms,o 3 types of MEN Syndrome are recognized.MEN I or Wermers Syndrome consists of -o Pituitary adenoma or hyperplasiao Parathyroid adenoma or hyperplasiao Pancreatic islet cell hyperplasia, adenoma or carcinoma o Other less common manifestations:Foregut carcinoidsPheochromocytomaSubcutaneous or visceral lipomasMEN IIA or Sipple Syndromeo Medullary carcinoma of thyroid MCTo Pheochromocytomao Parathyroid adenoma or hyperplasiao Hirschsprung diseaseo Cutaneous lichen amyloidosisb MEN1IBo Medullary carcinoma of thyroid MCTo Pheochromocytomao Marfanoid featureso Mucocutaneous and gastrointestinal neuromaso Thus this pt. is suffering from MEN IIA or II B syndrome pituitary tumour in this pt. is still confusing the question, but still; answer is definitely MCT. 