This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Stain used for the diagnosis of granulocytic sarcoma 
Select and explain. 
A. Myeloperoxidase, B. Leucocyte alkaline phosphatase, C. Non specific esterase, D. Neuron specific esterase
A: Myeloperoxidase
Answer: A: Myeloperoxidase 
Explanation: .