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
Perforation of nasal septum is not seen in - 
Select and explain. 
A. TB, B. Syphilis, C. Leprosy, D. Rhinosporiodiosis
D: Rhinosporiodiosis
Answer: D: Rhinosporiodiosis 
Explanation: Ans. is 'd' i.e., Rhinosporiodiosis o Causes of septal perforation are : -TraumaIatrogenic : - Nasal surgery, nasal intubation or nasogastric tube placementChronic inflammation (Wegener's granulomatosis, Syphilis, T.B. Leprosy, atrophic rhinitis, Sarcoidosis)Nasal myiasisRhinolith or neglected foreign body.As a complication of septal abscess or hematoma, if drainage is delayed.Poisons (cocaine, topical steroids and decongestants)Tumours of septum e.g., chondrosarcoma, granulomaIdiopathic