Septal perforation is not seen in:
Septal abscess
Leprosy
Rhinophyma
Trauma
(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.
Disease of External Nose & Nasal Septum