Ans.B . Subtotal
The given image shows a subtotal perforation as it involves all four quadrants of the tympanic membrane but is covered by remnant pars tensa/annulus all around.
Perforation of pars tensa:
(a) Central → Tubo – Tympanic
- It can be small – involves 1 quadrant, medium – Involves 2 quadrants, large – involves three quadrants, subtotal – Involves all 4 quadrants with the intact annulus
- Posterio-superior( Attico – antral )- Part of the annulus is also lost.
- Total ( Attico – antral ) → Necrotising OM – Involves all the four quadrants and the entire annulus.
Perforation of pars Flaccida:
- Attic → ( Attico – antral )