This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Which is not seen in Aschoff bodies - \nSelect and explain. \nA. Giant cell, B. Aschoff cells, C. Fibroblasts, D. Polymorphonuclear cells', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Aschoff bodies pathognomonic for rheumatic fever foci of swollen eosinophilic collagen surrounded by collections of lymphocytes (primarily T cells) plasma cells, and plump activated macrophages called Anitschkow cells Aschoff giant cells occasionally punctuating zones of fibrinoid necrosis ref robbins 9th ed page 391', 'role': 'assistant'}]