Septal perforation is not seen in:
(c) Rhinophyma(Ref. Scott Brown, 8th ed., Vol 1; 1150)Also known as potato nose Rhinophyma is due to hypertrophy of the sebaceous glands of the tip of nose. It does not involve the septum.
Septal abscess
Leprosy
Rhinophyma
Trauma
Disease of External Nose & Nasal Septum