Three-dimensional imaging of the temporal bone using a helical CT scan and its application in patients with cochlear implantation

ORL; Journal for Oto-rhino-laryngology and Its Related Specialties
T HimiM Sawaishi

Abstract

Recent advanced techniques for the reconstruction of three-dimensional (3D) images allow further visual recognition of the fine structures of the temporal bone. We demonstrate the advantages of reconstruction 3D imaging in helical CT scans of the normal temporal bone and in patients who have received cochlear implants. After the temporal bone was scanned in the axial plane in the helical scan mode, the data were transferred to a workstation and 3D reconstruction was performed. The normal temporal bone structures were well recognized on these 3D images. The spatial relationship between the lymphatic space of the inner ear and the electrode array is visible. This method provides a detailed anatomy of the insertion of the electrodes into the cochlea and provides precise images of electrode routes by means of varying the angles of view on the computer display. Individual electrodes could not be distinguished. The information from 3D images may be useful not only for pre-but also postoperative investigations in cochlear implantation.

Citations

Aug 25, 2007·Brain Structure & Function·Bo LiuJing Lu
Jan 29, 2008·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ken ItoTatsuya Yamasoba
Mar 12, 2013·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Li-chun ZhangTian-yu Zhang
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Jul 19, 2012·Nihon Hoshasen Gijutsu Gakkai zasshi·Ayaka HirakuriMotomichi Sakata
Apr 23, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Diego ZanettiFabio Triulzi

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