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首页> 外文会议>International Conference on BioMedical Engineering and Informatics >The micro-structure of Shangjuxu acupoint (ST37) by X-ray phase-contrast CT imaging based on synchrotron radiation
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The micro-structure of Shangjuxu acupoint (ST37) by X-ray phase-contrast CT imaging based on synchrotron radiation

机译：基于同步辐射辐射的X射线相位对比度CT成像的上楚穴（ST37）的微结构

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摘要

In this paper, the micro-structure of the Shangjuxu acupuncture point or tissue where there were no acupoints in the fractional rabbit hind limb were studied by in-line phase contrast CT imaging (IL-XPCI-CT) methods based on synchrotron radiation. Then the imaging results are reconstructed in three-dimensional limit, and the 3D images for different tissues are compared. The experiments were performed at X-ray imaging and biomedical application beam-line (BL13W1) of Shanghai Synchrotron Radiation Facility (SSRF). The organization of microvascular alignment can be visualized easily in the projection. The microvascular become rich and have a tendency to be concentrated on the point area. In the slices, there is the phenomenon of more micro reuniting. Using three-dimensional reconstruction, the distribution of microvascular can be seen throughout acupuncture area, there are both the trend along strike meridians and the intermittent aggregation. The density of micro-vessels was calculated for tissues with acupoints or without acupoints. Our results showed that there was one significantly higher density of the micro-vessels, where Shangjuxu acupoint was located. In the acupoint, there was a large number of involutedly microvascular structures, which was segmental. The width of each segment is not equivalent, there is a tendency that the intermediate segment is relatively wide, both sides of the acupuncture are relatively narrow which width is a Gaussian distribution. The FWHM values of Gaussian distribution curve can be determined from the scope of the Shangjuxu acupoints, which are basically consistent with the acupuncture point size in the traditional Chinese medicine theory. Nevertheless, in non-acupoint area, the microvascular structure was relatively simple and flat.
机译：在本文中，通过基于同步辐射辐射的线相对造影CT成像（IL-XPCI-CT）方法，研究了上楚穴穴位或组织的微观结构，其中分数兔后肢没有穴位。然后以三维极限重建成像结果，并比较不同组织的3D图像。该实验是在上海同步辐射设施（SSRF）的X射线成像和生物医学应用梁线（BL13W1）进行的。微血管对准组织可以在投影中容易地可视化。微血管变得富有并且具有集中在点区域上的趋势。在切片中，存在更微量重新团聚的现象。采用三维重建，微血管分布可以在针灸区域看到，沿着罢工经络和间歇聚集都存在趋势。用穴位或没有穴位的组织计算微容器的密度。我们的研究结果表明，微容量的密度显着提高了，尚楚穴穴位。在穴位中，存在大量近似的微血管结构，这是节段性的。每个段的宽度不等同，存在中间区段相对宽的趋势，针灸的两侧相对较窄，宽度是高斯分布。高斯分布曲线的FWHM值可以从上娟穴位的范围确定，这与中医理论中的针灸点大致一致。然而，在非穴位区域，微血管结构相对简单且平坦。

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