CLASSIFICATIONS USED IN ENT:

Sade classification: Retraction of pars tensa
Toss classification : Retraction of pars flaccida
Antoni classification:Acoustic neuroma
Derlacki classification: Congenital cholesteatoma
Nelson classification: CSOM
Shea classification :Meniere's disease
Isshika classification:Thyroplasty
Wullstein classification :Tympanoplasty
Fisch classification:Glomus tumours.
Ohngren/Lederman:Maxillary sinus carcinoma.