Cochlear implants: three-dimensional localization by means of coregistration of CT and conventional radiographs.

Whiting, B R; Bae, K T; Skinner, M W · Radiology · 2001

other · Level V

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Abstract

With use of radiopaque implanted objects as internal fiducial markers, the authors developed and evaluated a technique for coregistering computed tomographic (CT) and computed radiographic images to help determine three-dimensional location information for implant electrodes in the cochlea in phantoms and patients. Three-dimensional positional data from CT were assigned on a radiograph, which permitted identification of individual cochlear electrode locations that were not depicted at CT.

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