<prompt> Perforation of nasal septum is not seen in -TBSyphilisLeprosyRhinosporiodiosis  <response>: Ans. is d i.e., Rhinosporiodiosis o Causes of septal perforation are : -TraumaIatrogenic : - Nasal surgery, nasal intubation or nasogastric tube placementChronic inflammation Wegeners granulomatosis, Syphilis, T.B. Leprosy, atrophic rhinitis, SarcoidosisNasal myiasisRhinolith or neglected foreign body.As a complication of septal abscess or hematoma, if drainage is delayed.Poisons cocaine, topical steroids and decongestantsTumours of septum e.g., chondrosarcoma, granulomaIdiopathic 