McConnell Brain Imaging Center, Montreal Neurological Institute and Hospital, Montreal (QC), Canada; McGill University, Montreal (QC), Canada.
Department of Neurology and Neurosurgery, McGill University Health Center, Montreal (QC), Canada.
Med Image Anal. 2020 Oct;65:101769. doi: 10.1016/j.media.2020.101769. Epub 2020 Jun 26.
During the last two decades, intra-operative ultrasound (iUS) imaging has been employed for various surgical procedures of the spine, including spinal fusion and needle injections. Accurate and efficient registration of pre-operative computed tomography or magnetic resonance images with iUS images are key elements in the success of iUS-based spine navigation. While widely investigated in research, iUS-based spine navigation has not yet been established in the clinic. This is due to several factors including the lack of a standard methodology for the assessment of accuracy, robustness, reliability, and usability of the registration method. To address these issues, we present a systematic review of the state-of-the-art techniques for iUS-guided registration in spinal image-guided surgery (IGS). The review follows a new taxonomy based on the four steps involved in the surgical workflow that include pre-processing, registration initialization, estimation of the required patient to image transformation, and a visualization process. We provide a detailed analysis of the measurements in terms of accuracy, robustness, reliability, and usability that need to be met during the evaluation of a spinal IGS framework. Although this review is focused on spinal navigation, we expect similar evaluation criteria to be relevant for other IGS applications.
在过去的二十年中，术中超声（iUS）成像已应用于脊柱的各种手术程序，包括脊柱融合和针注射。将术前计算机断层扫描或磁共振图像与 iUS 图像进行准确和有效的配准是 iUS 脊柱导航成功的关键要素。虽然在研究中得到了广泛的研究，但基于 iUS 的脊柱导航尚未在临床上建立。这是由于几个因素，包括缺乏评估配准方法的准确性、鲁棒性、可靠性和可用性的标准方法。为了解决这些问题，我们对基于 iUS 的脊柱图像引导手术（IGS）中引导注册的最新技术进行了系统回顾。该综述基于手术工作流程中涉及的四个步骤，包括预处理、注册初始化、所需的患者到图像变换的估计以及可视化过程，提出了一个新的分类法。我们提供了在评估脊柱 IGS 框架时需要满足的准确性、鲁棒性、可靠性和可用性测量的详细分析。尽管本综述侧重于脊柱导航，但我们预计类似的评估标准对于其他 IGS 应用也具有相关性。
