Prolonged blockade of Eustachian tube leads to -: (A) Atelectatic ear, (B) Cholesteatoma, (C) Perforation, (D) All of the above
Answer is D. Ans. is 'd' i.e., All of the above Effects of acute and prolonged tubal blockageAcute tubal blockage|Absorption of ME gases|Negative pressure in ME|Retraction of TM|Transudate in ME/haemorrhage (acute OME)Prolonged tubal blockage/dysfunction|OME (thin watery or mucoid discharge)|Atelectatic ear/ perforation|Retraction pocket/ cholesteatoma|Erosion of incudostapedial jointME, middle ear; TM, tympanic membrane; OME, otitis media with effusion.