MEN IIB Multiple Endocrine Neoplasia

• History / PE:
  Medullary thyroid carcinoma (MTC)
  Pheochromocytoma /adrenal hyperplasia
  Mucosal neuromas (in 90% cases)
  Marfanoid body habitus
• Diagnosis:
  Elevated calcitonin levels
• Differential Diagnosis:
  MEN IIA (parathyroid hyperplasia)