This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
All lead to septal perforation except 
Select and explain. 
A. Syphilis, B. Rhinosporidiosis, C. Trauma, D. Septal Abscess
B: Rhinosporidiosis
Answer: B: Rhinosporidiosis 
Explanation: None