This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spleen, Subject name: Surgery
Splenectomy is done to tide over the acute crises of uncontrollable: 
Select and explain. 
A. ITP, B. TTP, C. HUS, D. All of the above
A: ITP
Answer: A: ITP 
Explanation: Indications of splenectomy in ITP: Failure of medical therapy Prolonged use of steroids with undesirable effects Most cases of first relapse Splenectomy provides a permanent response without subsequent need for steroids in 75-85% of patients. Laparoscopic splenectomy has become the gold standard for ITP patients. Responses usually occur within the first postoperative week.