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: Surgery
[{'content': 'All of the following conditions are indications for splenectomy, EXCEPT: \nSelect and explain. \nA. Agranulocytosis, B. Sickle cell anemia, C. Hereditary spherocytosis, D. Splenic abscess', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Conditions where splenectomy is not indicated: Asymptomatic hypersplenism Splenomegaly with infection Splenomegaly associated with elevated IgM Hereditary hemolytic anemia of moderate degree Acute leukemia Agranulocytosis Conditions where splenectomy usually indicated: Primary hypersplenism Chronic immune thrombocytopenic purpura Splenic vein thrombosis causing gastric varices Splenic abscess Hereditary spherocytosis (congenital hemolytic anemia) Ref: Fraker D.L. (2010). Chapter 27. Spleen. In G.M. Dohey (Ed), CURRENT Diagnosis & Treatment: Surgery, 13e.', 'role': 'assistant'}]