Which of the following is included in the Levenson criteria for congenital cholesteatoma ?
Ans. is 'a' i.e., White mass medial to normal tympanic membrane Levenson criteria for congenital cholesteatoma White mass medial to normal TM. Normal pars flaccida and tensa. No history of otorrhea or perforations. No prior otologic procedures. Prior bouts of otitis media no ground for exclusions.
White mass medial to normal tympanic membrane
Atticoantral perforation of the tympanic membrane
Definite history of otorrhoea
History of prior otologic procedures