Bony septal perforation occurs in:
(b) Syphilis(Ref. Scott Brown, 6th ed., Paediatric, 4/ 11/19)Syphilis leads to perforation of the bony part of nasal septum. Another important cause of bony septal perforation is Wegener's granulomatosis.Rest options may lead to perforation of the cartilaginous part of the septum.
TB
Syphilis
Leprosy
Sarcoidosis
Disease of External Nose & Nasal Septum