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首页> 外文期刊>Journal of Digital Imaging >Exploring CBCT-Based DICOM Files. A Systematic Review on the Properties of Images Used to Evaluate Maxillofacial Bone Grafts
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Exploring CBCT-Based DICOM Files. A Systematic Review on the Properties of Images Used to Evaluate Maxillofacial Bone Grafts

机译：探索基于CBCT的DICOM文件。系统评价用于评估颌面部骨移植的图像特性

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Previous studies suggests that cone beam computerized tomography (CBCT) images could provide reliable information regarding the fate of bone grafts in the maxillofacial region, but no systematic information regarding the standardization of CBCT settings and properties is available, i.e., there is a lack of information on how the images were generated, exported, and analyzed when bone grafts were evaluated. The aim of this study was to (1) do a systematic review on which type of CBCT-based DICOM images have been used for the evaluation of the fate of bone grafts in humans and (2) use a software suggested in the literature to test DICOM-based data sets, exemplifying the effect of variation in selected parameters (windowing/contrast control, plane definition, slice thickness, and number of measured slices) on the final image characteristics. The results from review identified three publications that used CBCT to evaluate maxillofacial bone grafts in humans, and in which the methodology/results comprised at least one of the expected outcomes (image acquisition protocol, image reconstruction, and image generation information). The experimental shows how the influence of information that was missing in the retrieved papers, can influence the reproducibility and the validity of image measurements. Although the use of CBCT-based images for the evaluation of bone grafts in humans has become more common, this does not reflect on a better standardization of the developed studies. Parameters regarding image acquisition and reconstruction, while important, are not addressed in the proper way in the literature, compromising the reproducibility and scientific impact of the studies.
机译：先前的研究表明，锥形束计算机断层扫描（CBCT）图像可以提供有关颌面区域中骨移植物的命运的可靠信息，但是尚无有关CBCT设置和属性标准化的系统信息，即缺少信息在评估骨移植物时如何生成，输出和分析图像。这项研究的目的是（1）对使用哪种基于CBCT的DICOM图像来评估人类骨移植的命运进行系统的审查，以及（2）使用文献中建议的软件进行测试基于DICOM的数据集，举例说明了所选参数（窗口/对比度控制，平面清晰度，切片厚度和测量切片的数量）变化对最终图像特征的影响。审查的结果确定了三篇使用CBCT评估人类颌面部骨移植的出版物，其中的方法论/结果至少包含了预期的结果之一（图像采集协议，图像重建和图像生成信息）。实验表明，检索到的论文中缺少的信息的影响如何影响图像测量的可重复性和有效性。尽管使用基于CBCT的图像来评估人体中的骨移植已变得更为普遍，但这并不能反映已开发研究的更好标准化。关于图像获取和重建的参数虽然很重要，但在文献中并未以适当的方式加以解决，从而损害了研究的可重复性和科学影响。

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