Which is the most common site for congenital cholesteatoma

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.