Fluctuating recurring variable sensorineural deafness is seen in:: (A) Serous otitis media, (B) Hemotympanum, (C) Perilymphatic fistula, (D) Cholesteatoma
Answer is C. (c) Perilymphatic fistula(Ref. Scott Brown, 8th ed., Vol 2; 1085)Serous otitis media can lead to Fluctuating conductive deafness.In hemotympanum and Cholesteatoma the hearing loss is mainly conductive and not fluctuating.