Preoperative neurosurgical Simulation and Intraoperative Navigation using Three-dimensional Images

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  • Ohue Shiro
    Department of Neurological Surgery, Ehime University School of Medicine
  • Kumon Yoshiaki
    Department of Neurological Surgery, Ehime University School of Medicine
  • Hohno Kanehisa
    Department of Neurological Surgery, Ehime University School of Medicine
  • Shiraishi Masahiro
    Department of Neurological Surgery, Ehime University School of Medicine
  • Sakaki Saburo
    Department of Neurological Surgery, Ehime University School of Medicine
  • Kikuchi Keiichi
    Department of Radiology, Ehime University School of Medicine
  • Miki Hitoshi
    Department of Radiology, Ehime University School of Medicine

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  • 脳神経外科領域における三次元画像を用いた手術 : シミュレーションとナビゲーション

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Abstract

We used three-dimensional(3D)images for preoperative surgical simulation and intraoperative navigation in 23 patients with intracranial tumors. Preoperative 3D images provided useful information concerning the relationship among the tumors, critical cortices and vessels, and allowed a choice of the optimal surgical approach and the extent of tumor resection in order to minimize surgical destruction of vital structures. Intraoperative navigation using 3D images was useful to keep the intraoperative orientation by real-time anatomical interaction. Functional mapping and intraoperative monitoring were also useful for preservation of postoperative motor function. Therefore, presurgical simulation and intraoperative navigation using 3D images are essential to perform less invasive surgery.

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