塔尔博特-劳光栅干涉仪μXCT表征医学和生物样品与参考方法的比较

Case Studies in Nondestructive Testing and Evaluation Pub Date : 2016-11-01 DOI:10.1016/j.csndt.2016.02.001

Christian Gusenbauer , Elisabeth Leiss-Holzinger , Sascha Senck , Katrin Mathmann , Johann Kastner , Stefan Hunger , Wolfgang Birkfellner

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引用次数: 15

摘要

塔尔伯特-劳光栅干涉测量法是放射学和计算机断层扫描领域的一项新的创新x射线技术，通过引入差分相位对比(DPC)和暗场对比(DFC)，扩展了吸收对比(AC)在医学和材料科学中的成像能力。本文讨论了新型桌面Talbot-Lau μXCT系统(SkyScan 1294)提供的DFC附加成像方式的好处。利用该系统对医用泡沫、皮质骨、臼齿和大麦玉米种子等医学和生物样品进行了成像，并与高分辨率μXCT和光学相干断层扫描(OCT)等参考方法在信息增益和对比度方面进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Characterization of medical and biological samples with a Talbot–Lau grating interferometer μXCT in comparison to reference methods

Talbot–Lau grating interferometry is a new innovative X-ray technology in the field of radiography and computed tomography that extends the imaging capabilities of absorption contrast (AC) in medicine and material science by the introduction of differential phase contrast (DPC) and dark-field contrast (DFC). This paper discusses the benefits of the additional imaging modality of DFC provided by a new desktop Talbot–Lau μXCT system (SkyScan 1294). With this system, selected medical and biological samples such as medical foam, cortical bone, molar tooth, and barley corn seed samples have been imaged and compared to reference methods such as high-resolution μXCT and optical coherence tomography (OCT) regarding information gain and contrast.

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