This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplastic disorders of WBCs, Subject name: Pediatrics
Most common type of AML in Down's syndrome 
Select and explain. 
A. M2, B. M3, C. M6, D. M7
D: M7
Answer: D: M7 
Explanation: - Megakaryocytic maturation AML - Most common AML in Down's syndrome. - Blast cells in these patients are highly sensitive to medications - show better outcome than AML in those without Trisomy 21.