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A, Axial CT in a 15-year-old girl with persistent conductive hearing loss poststapedectomy shows a small lucency in the left fissula antefenestrum (thin.

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Presentation on theme: "A, Axial CT in a 15-year-old girl with persistent conductive hearing loss poststapedectomy shows a small lucency in the left fissula antefenestrum (thin."— Presentation transcript:

1 A, Axial CT in a 15-year-old girl with persistent conductive hearing loss poststapedectomy shows a small lucency in the left fissula antefenestrum (thin arrow), consistent with fenestral otosclerosis. A, Axial CT in a 15-year-old girl with persistent conductive hearing loss poststapedectomy shows a small lucency in the left fissula antefenestrum (thin arrow), consistent with fenestral otosclerosis. Her piston prosthesis appeared short (thick arrow), without intravestibular penetration (surgically confirmed). B, Axial CT in a 56-year-old man with sensorineural hearing loss after stapedectomy shows extensive lucency surrounding the cochlea (arrows), consistent with cochlear otosclerosis. J. Whetstone et al. AJNR Am J Neuroradiol 2014;35: ©2014 by American Society of Neuroradiology

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