Mismatch between Augmented Reality Navigation Images and Actual Location of a Cauda Equina Tumor:A Case Report.

IF 0.7 Q4 MEDICINE, RESEARCH & EXPERIMENTAL JOURNAL OF MEDICAL INVESTIGATION Pub Date : 2024-01-01 DOI:10.2152/jmi.71.174

Shutaro Fujimoto, Fumitake Tezuka, Takahiro Ogawa, Shunsuke Tamaki, Kosuke Sugiura, Makoto Takeuchi, Masatoshi Morimoto, Kazuta Yamashita, Koichi Sairyo

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Abstract

Background: Augmented reality navigation is the one of the navigation technologies that allows computer-generated virtual images to be projected onto a real-world environment. Augmented reality navigation can be used in spinal tumor surgery. However, it is unknown if there are any pitfalls when using this technique.

Case presentation: The patient in this report underwent complete resection of a cauda equina tumor at the L2-L3 level using microscope-based augmented reality navigation. Although the registration error of navigation was <1 mm, we found a discrepancy between the augmented reality navigation images and the actual location of the tumor, which we have called "navigation mismatch". This mismatch, which was caused by the mobility of the spinal tumor in the dura mater, seems to be one of the pitfalls of augmented reality navigation for spinal tumors.

Conclusions: Combined use of intraoperative ultrasound and augmented reality navigation seems advisable in such cases. J. Med. Invest. 71 : 174-176, February, 2024.

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增强现实导航图像与马尾肿瘤实际位置不匹配：病例报告。

背景：增强现实导航是一种可将计算机生成的虚拟图像投射到真实世界环境中的导航技术。增强现实导航可用于脊柱肿瘤手术。然而，目前尚不清楚使用这种技术是否存在任何隐患：本报告中的患者使用了基于显微镜的增强现实导航技术，对 L2-L3 水平的马尾肿瘤进行了完全切除。虽然导航的注册误差是结论：在此类病例中联合使用术中超声和增强现实导航似乎是明智之举。J. Med.Invest.71 : 174-176, February, 2024.

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JOURNAL OF MEDICAL INVESTIGATION MEDICINE, RESEARCH & EXPERIMENTAL-

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1.20

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0.00%

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