Fluctuating recurring variable sensorineural deafness is seen in:
(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.
Serous otitis media
Hemotympanum
Perilymphatic fistula
Cholesteatoma
Ear