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
[{'content': 'Helmet Cells are characteristic of \nSelect and explain. \nA. Hemolytic uremic syndrome, B. Polysplenia, C. Spherocytosis, D. Acanthocytosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Schistocytes are typically irregularly shaped, jagged, and have two pointed ends. A true schistocyte does not have central pallor.\nHelmet cells are also known as schistocytes / triangle cells / burr cells are a Feature of microangiopathic diseases including disseminated intravascular coagulation (DIC), thrombotic microomgiopathies (TTP), mechanical artificial heart valves and hemolytic Uremic syndrome (HUS).', 'role': 'assistant'}]