Anatomy Endocrinology and breast ecda8443 MEN-2A includes A Ganglioneuromas B Cutaneous lichenoid amyloids C Parathyroid adenoma D Adrenal adenoma High-Yield Explanation MEN 2A or Sipple's syndrome &. MEN 2B are associated with mutation in the RET protooncogene located in pericentromeric region of chromosome 10.