A 35 years old female patient present with hearing loss with improvement in hearing in noisy environment. On examination Rinne's is negative and weber's is centralized. Following is the audiometry repo. What is the most likely diagnosis:
(A) Meniere's disease (B) Perilymph fistula (C) Stapedial Otosclerosis (D) Vestibular Schwannoma
(C) POINTS OURING STAPEDIAL OTOSCLEROSIS: - Conductive hearing loss. - MC seen in females 20-30 yrs. - hears better in noisy surrounding (Paraacusis willisii) - Audiometry repo a dip at 2000Hz (Carha's notch) Meniere's disease causes SNHL. Perilymph fistula will cause SNHL. Vestibular schwannoma also will cause SNHL.