Cochlear Implants Linked to New Bone Formation, Increased Hearing Loss (IMAGE)
Caption
Methods for CT assessment. (A) An oblique multiplanar reconstruction through the basal turn of the cochlea was obtained and (B) midmodiolar sections were obtained with radial multiplanar reconstruction through the center of the cochlea (white lines in A). On such midmodiolar images, the presence or absence of new bone formation and the scalar position were assessed at each electrode contact. Angular insertion depth was measured from the lateral border of the horizontal semicircular canal (blue line in A), using a correction factor to the center of the round window (yellow line in A) of 34°.
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Radiological Society of North America
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