Clinical presentations Otorrhea Malodorous associated with cholesteatoma Hearing loss Air conduction threshold is within 40 dB means TM proferation with intact ossicular chain a If air-bone gap is more than 40 dB is associated with discontinuity of ossicular chainClinical presentations ◼ Otorrhea ◼ Malodorous associated with cholesteatoma ◼ Hearing loss ◼ Air conduction threshold is within 40 dB means TM proferation with intact ossicular chain ◼ If air-bone gap is more than 40 dB is associated with discontinuity of ossicular chain