This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
MEN-2A includes 
Select and explain. 
A. Ganglioneuromas, B. Cutaneous lichenoid amyloids, C. Parathyroid adenoma, D. Adrenal adenoma
A: Ganglioneuromas
Answer: A: Ganglioneuromas 
Explanation: MEN 2A or Sipple's syndrome &. MEN 2B are associated with mutation in the RET protooncogene located in pericentromeric region of chromosome 10.