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: Pathology
"Autospleenectomy" is a feature seen in: 
Select and explain. 
A. HS, B. Sickle cell anemia, C. G6PD deficiency, D. Thalessmia minor
B: Sickle cell anemia
Answer: B: Sickle cell anemia 
Explanation: Sickle cell anemia