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
[{'content': 'Splenectomy is done to tide over the acute crises of uncontrollable: \nSelect and explain. \nA. ITP, B. TTP, C. HUS, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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.', 'role': 'assistant'}]