Objective: To use the improved resolution available with 64-slice multidetector computed
tomography (MDCT) in vivo to localize the cochlear implant electrode array within the basal
turn. Study Design: Sixty-four-slice MDCT examinations of the temporal bones were
retrospectively reviewed in 17 patients. Twenty-three implants were evaluated. Setting:
Tertiary referral facility. Patients: All patients with previous cochlear implantation evaluated
at our center between January 2004 and March 2006 were offered a computed tomographic …

Background: In CI surgery, the electrode array should be inserted into and remain within the
scala tympani to avoid injury to Reissner's membrane and the scala media. Correlating the
position of the electrode in the basal turn with surgical technique and implant design could
be helpful in improving outcomes. Methods: After a standard left mastoid exposure of the
round window niche through the facial recess performed on a cadaver head, an electrode
array from a Nucleus Softip Contour CI was fully inserted through a cochleostomy. The head …