This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
9.Atropic dry nasal mucosa,extensive encrustations with woody hard external nose is suggestive of: 
Select and explain. 
A. Rhinosporidiosis, B. Rhinoscleroma, C. Atrophic rhinitis, D. Carcinoma of nose
B: Rhinoscleroma
Answer: B: Rhinoscleroma 
Explanation: Rhinoscleroma: In a patient presenting with atrophic dry nasal mucosa, extensive crustig and woody hard external nose. Ref Dhingra 6/e p 156