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首页> 外文期刊>Medical and Biological Engineering and Computing: Journal of the International Federation for Medical and Biological Engineering >A novel finite element model-based navigation system-supported workflow for breast tumor excision
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A novel finite element model-based navigation system-supported workflow for breast tumor excision

机译：基于新型有限元模型的导航系统支持的乳房肿瘤切除工作流程

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In the case of female breast cancer, a breast-conserving excision is often desirable. This surgery is based on preoperatively gathered MRI, mammography, and sonography images. These images are recorded in multiple patient positions, e. g., 2D mammography images in standing position with a compressed breast and 3D MRI images in prone position. In contrast, the surgery happens in supine or beach chair position. Due to these different perspectives and the flexible, thus challenging, breast tissue, the excision puts high demands on the physician. Therefore, this publication presents a novel eight-step excision support workflow that can be used to include information captured preoperatively through medical imaging based on a finite element (FE) model. In addition, an indoor positioning system is integrated in the workflow in order to track surgical devices and the sonography transducer during surgery. The preoperative part of the navigation system-supported workflow is outlined exemplarily based on first experimental results including 3D scans of a patient in different patient positions and her MRI images.
机译：在雌性乳腺癌的情况下，通常需要母乳喂养的切除。这种手术基于术前聚集的MRI，乳房X线照相术和超声图像。这些图像被记录在多个患者位置，例如G.，2D乳房X线摄影图像在站立位置，在俯卧位中的压缩乳房和3D MRI图像。相比之下，手术发生在仰卧或海滩椅位置。由于这些不同的观点和灵活性，从而具有挑战性，乳房组织，切除对医生的需求很高。因此，本出版物提出了一种新的八步切除支持工作流程，其可用于通过基于有限元（FE）模型通过医学成像捕获的信息。另外，室内定位系统集成在工作流程中，以便在手术期间跟踪外科手术器件和超声换能器。导航系统支持的工作流程的术前部分是基于在不同患者位置和她的MRI图像中的患者的3D扫描的第一种实验结果来概述了导航系统支持的工作流程。

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