Objective To evaluate the role of CT and MRI before cochlear implantation. Methods The high-resolution axial computed tomographic scanning (HRCT) and the magnetic resonance imaging (MRI) were performed in 6 deaf patients before the implantation. The image findings were compared with what were found at the time of surgery. Results HRCT showed various forms of deformity in 8 of the 12 ears, e.g. those of the vestibule, semicircular canal and the anterior sigmoid. Normal structures of the membranous labyrin...
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