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
Mikulicz cell and Russell bodies are characteristic of: 
Select and explain. 
A. Rhinoscleroma, B. Rhinosporidiosis, C. Lupus vulgaris, D. Lethal midline granuloma
A: Rhinoscleroma
Answer: A: Rhinoscleroma 
Explanation: (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.