首页> 美国卫生研究院文献>Journal of Neurological Surgery. Part B Skull Base >Skull Base 3D Modeling of Rigid Buttress for Gasket-Seal Closure Using Operative Endoscopic Imaging: Cadaveric Feasibility
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Skull Base 3D Modeling of Rigid Buttress for Gasket-Seal Closure Using Operative Endoscopic Imaging: Cadaveric Feasibility

机译:使用手术内窥镜成像对垫片密封进行刚性支撑的头骨基础3D建模:尸体可行性

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摘要

Surgical defect closure following endonasal transsphenoidal tumor resection is a critical component of procedural success. Three-dimensional (3D) modeling of relevant skull base anatomy during resection can potentially facilitate design of a custom rigid buttress for gasket-seal closure; however, access to conventional cross-sectional imaging intraoperatively is limited and cumbersome. Endoscopic imaging, by contrast, is always available. This work demonstrates the feasibility of 3D modeling of the visible skull base through structure-from-motion photogrammetric postprocessing techniques, providing a suitable template to design a gasket-seal buttress. Additionally, endoscopic 3D reconstruction of skull base surface anatomy may represent a more robust depiction of the surgical defect than is available by conventional 3D modeling with computed tomography, which suboptimally recapitulates very thin bones and mucosal surfaces typical of this regional anatomy.
机译:鼻内经蝶窦肿瘤切除术后的手术缺损闭合是手术成功的关键因素。切除过程中相关颅底解剖结构的三维(3D)建模可以潜在地促进设计用于垫片密封闭合的定制刚性支撑;然而,术中常规横截面成像的使用受到限制且麻烦。相比之下,内窥镜成像始终可用。这项工作证明了通过运动自结构摄影测量后处理技术对可见颅骨底部进行3D建模的可行性,为设计密封垫支撑提供了合适的模板。此外,与通过计算机断层摄影术进行的传统3D建模相比,颅底基部表面解剖结构的内窥镜3D重建可能代表了对手术缺损的更强健的描绘,后者无法最佳地概括非常薄的骨骼和该区域解剖结构所特有的粘膜表面。

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