This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Most common cause of Auto splenectomy 
Select and explain. 
A. Sickle cell anemia, B. SLE, C. Pneumococcal sepsis, D. Thalassemia
A: Sickle cell anemia
Answer: A: Sickle cell anemia 
Explanation: A,b,C are causes of Auto splenectomy m/c cause is sickle cell anemia.