1 | Edema of external auditory canal with granulations (3 cases) (Figure 4) |
2 | Multiple perforation (1 case) |
3 | Central perforation (8 cases) with granulations in the middle ear |
4 | Thick and dull intact tympanic membrane (2 cases) (Figure 5) |
5 | Perforation of tympanic membrane with discharge (4 cases) |