Which is the most common site for congenital cholesteatoma
(A) Anterior superior quadrant of tympanic membrane (B) Posterior superior quadrant of tympanic membrane (C) Anterior inferior quadrant of tympanic membrane. (D) posterior inferior quadrant of tympanic membrane
(A) Ans: A .Anterior superior quadrant of tympanic membrane followed by posterior superior quadrant.Congenital cholesteatoma was defined as a white, pearly lesion behind an intact tympanic membrane, which after removal was identified on pathological examination as a cholesteatoma.It is the more common causes for onset of childhood conductive hearing loss unrelated to middle ear effusion.