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基于 3D slicer 的颅颌面植入物设计的简化定制工作流程。

The simplified tailor-made workflows for a 3D slicer-based craniofacial implant design.

机构信息

Department of Biomedical Engineering, Faculty of Engineering, Srinakharinwirot University, Nakhon Nayok, 26120, Thailand.

Division of Plastic and Reconstructive Surgery, Department of Surgery, Chonburi Hospital, Chonburi, 20000, Thailand.

出版信息

Sci Rep. 2023 Feb 17;13(1):2850. doi: 10.1038/s41598-023-30117-w.

DOI:10.1038/s41598-023-30117-w
PMID:36801943
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9938178/
Abstract

A specific design of craniofacial implant model is vital and urgent for patients with traumatic head injury. The mirror technique is commonly used for modeling these implants, but it requires the presence of a healthy skull region opposite to the defect. To address this limitation, we propose three processing workflows for modeling craniofacial implants: the mirror method, the baffle planner, and the baffle-based mirror guideline. These workflows are based on extension modules on the 3D Slicer platform and were developed to simplify the modeling process for a variety of craniofacial scenarios. To evaluate the effectiveness of these proposed workflows, we investigated craniofacial CT datasets collected from four accidental cases. The designed implant models were created using the three proposed workflows and compared to reference models created by an experienced neurosurgeon. The spatial properties of the models were evaluated using performance metrics. Our results show that the mirror method is suitable for cases where a healthy skull region can be completely reflected to the defect region. The baffle planner module offers a flexible prototype model that can be fit independently to any defect location, but it requires customized refinement of contour and thickness to fill the missing region seamlessly and relies on the user's experience and expertise. The proposed baffle-based mirror guideline method strengthens the baffle planner method by tracing the mirrored surface. Overall, our study suggests that the three proposed workflows for craniofacial implant modeling simplify the process and can be practically applied to a variety of craniofacial scenarios. These findings have the potential to improve the care of patients with traumatic head injuries and could be used by neurosurgeons and other medical professionals.

摘要

对于创伤性颅脑损伤患者来说，颅颌面植入物模型的特定设计至关重要且紧迫。镜像技术常用于对这些植入物进行建模，但它需要有一个健康的颅骨区域来对应缺陷区域。为了解决这个局限性，我们提出了三种颅颌面植入物建模的处理工作流程：镜像法、挡板规划器和基于挡板的镜像指导线。这些工作流程基于 3D Slicer 平台上的扩展模块开发，旨在简化各种颅颌面情况下的建模过程。为了评估这些提出的工作流程的有效性，我们研究了从四个意外事故中收集的颅颌面 CT 数据集。使用三种提出的工作流程创建了设计的植入物模型，并与由经验丰富的神经外科医生创建的参考模型进行了比较。使用性能指标评估了模型的空间属性。我们的结果表明，镜像法适用于可以将健康的颅骨区域完全反射到缺陷区域的情况。挡板规划器模块提供了一个灵活的原型模型，可以独立适用于任何缺陷位置，但需要对轮廓和厚度进行定制细化，以无缝地填充缺失区域，并且依赖于用户的经验和专业知识。所提出的基于挡板的镜像指导线方法通过追踪镜像表面来增强挡板规划器方法。总的来说，我们的研究表明，颅颌面植入物建模的三种提出的工作流程简化了流程，可以实际应用于各种颅颌面情况。这些发现有可能改善创伤性颅脑损伤患者的护理，并可由神经外科医生和其他医疗专业人员使用。

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