This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rheumatic Fever, Subject name: Pathology
[{'content': 'Aschoff bodies in rheumatic hea disease show all of the following, except: \nSelect and explain. \nA. Antischkow cells, B. Epitheloid cells, C. Giant cells, D. Fibrinoid necrosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ascoff bodies constitute: Fibrinoid degeneration Necrosis surrounded by T cells , Plasma cells and macrophages called as Antischow cells (Pathognomic of RF) These macrophages have abundant cytoplasm and central round-to-ovoid nuclei (occasionally binucleate) in which the chromatin condenses into a central, slender, wavy ribbon (hence the designation "caterpillar cells"). Some of the large altered histiocytes become multinucleated to form Aschoff Giant cells.', 'role': 'assistant'}]