RT Journal Article SR Electronic T1 Complication of Cochlear Implantation Surgery JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 2089 OP 2091 VO 24 IS 10 A1 Michael A. Mecca A1 William Wagle A1 Allison Lupinetti A1 Steven Parnes YR 2003 UL http://www.ajnr.org/content/24/10/2089.abstract AB Summary: After experiencing gradual, progressive sensorineural hearing loss, a patient underwent cochlear implant (CI) surgery. Postoperatively, the patient experienced vestibular symptoms with no improvement in hearing. High-resolution temporal bone CT scanning demonstrated extracochlear positioning of the CI electrode in the superior semicircular canal.