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Deficient cochlear nerve in a 60-year-old patient with a 50-year history of left hearing loss after a motor vehicle accident (patient A10). Deficient cochlear.

Published byHartanti Hardja Modified over 5 years ago

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Presentation on theme: "Deficient cochlear nerve in a 60-year-old patient with a 50-year history of left hearing loss after a motor vehicle accident (patient A10). Deficient cochlear."— Presentation transcript:

1 Deficient cochlear nerve in a 60-year-old patient with a 50-year history of left hearing loss after a motor vehicle accident (patient A10). Deficient cochlear nerve in a 60-year-old patient with a 50-year history of left hearing loss after a motor vehicle accident (patient A10). This patient presented with a 3-month history of right-sided hearing loss.A, Axial T2-weighted fast spin-echo MR image shows a small left modiolus (arrow) but no other structural cochlear abnormalities.B, Corresponding oblique sagittal image shows a small caliber cochlear nerve (arrow) in a normal-sized IAC.C, Axial T2-weighted fast spin-echo MR image of the right side shows no abnormality to explain the recent hearing loss.D, Oblique sagittal T2-weighted fast spin-echo MR image of the right side also shows no abnormality to explain the recent hearing loss. A normal-caliber cochlear nerve is seen (arrow). Cochlear implantation was successfully performed on this side. Christine M. Glastonbury et al. AJNR Am J Neuroradiol 2002;23: ©2002 by American Society of Neuroradiology

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