Intra operative findings

No. of patients

Percentage

Central perforation

46

46%

Marginal

30

30%

Posterosuperior retraction

22

22%

Cholesteatoma

36

36%

Plastered tympanic membrane

6

6%

Tympanosclerotic plaque

10

10%

Malleus necrosed

4

4 %

Incus necrosed

62

62%

Stapes erosion

36

36%