Prior H/O ear surgery and Scanty, foul smelling, painless discharge from the ear is characteristic feature of which of the following lesions:
Cholesteatoma / attico antral type of CSOM / marginal perforation is characterised by scanty foul smelling, painless discharge from the ear. The foul smell is due to saprophytic infection and osteitis
ASOM
Cholesteatoma
Central perforation
Otitis externa