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': 'Perforation of nasal septum is not seen in - \nSelect and explain. \nA. TB, B. Syphilis, C. Leprosy, D. Rhinosporiodiosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: 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", 'role': 'assistant'}]