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Neurosurgical Operations Using Navigation Microscope Integration System
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Author(s): Takashi Tamiya (Kagawa University, Japan), Masahiko Kawanishi (Kagawa University, Japan), Keisuke Miyake (Kagawa University, Japan), Nobuyuki Kawai (Kagawa University, Japan)and Shuxiang Guo (Faculty of Engineering, Kagawa University, Japan)
Copyright: 2014
Pages: 11
Source title:
Nanotechnology: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-5125-8.ch028
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Abstract
The use of intraoperative navigation systems in neurosurgery has increased rapidly. The Neuronavigation Microscope Integration (NMI) system consists of a microscope (Zeiss, Germany) combined with the StealthStation (Medotronic, U.S.A.) including light emitting diodes, a dynamic reference frame with light emitting diodes, an optical digitizer with camera array and a computer workstation. The aim of this study was to determine the usefulness of the NMI system for neurosurgical operations. Between April 2003 and March 2011, the authors used the NMI system in 367 patients undergoing neurosurgical operations at Kagawa University Hospital. Because the navigational informations could be superimposed onto the microscope view, accurate locations of tumor and normal anatomical structures could be obtained before skin incision. During the operations, the surgeons did not need to turn away from the surgical field or to use a bulky pointer. Catheter applications along the tumor borderline guided by the NMI system could be useful for glioma surgery. Deep seated lesions including intraventricular or intra-axial tumors could be removed through accurate and minimal corticotomy. For transsphenoidal surgery, pituitary tumors could be safely removed without X-ray imaging. For the skull base surgery, the navigational information was not affected by the brain shift during the operations. The registration assessment deviations were within 2 mm and the real anatomical deviations were within 3 mm. The authors’ findings suggest that the NMI system can provide valuable and reliable intraoperative navigational informations during neurosurgical operations.
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