This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Mikulicz cell and Russell bodies are characteristic of: \nSelect and explain. \nA. Rhinoscleroma, B. Rhinosporidiosis, C. Lupus vulgaris, D. Lethal midline granuloma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Rhinoscleroma(Ref. Scott Brown, 6th ed., 4/8/34)Definitive diagnostic test of rhinoscleroma is biopsyBiopsy in rhinoscleroma shows granulomas with plasma cells containing Russell bodies and large macrophages containing the phagocytosed bacteria are known as Mikulicz cells.', 'role': 'assistant'}]