Objective

The purpose of this study was to develop and provide recommendations for computed tomography (CT) examinations of human mummies.

Materials and methods

Based on theoretical considerations and examples, recommendations for use are provided for scanning and image reconstruction parameters. Four examples are presented to illustrate the effect of different CT parameters on image quality.

Results

The use of appropriate scanning parameters (detector collimation, pitch factor, rotation time) is known to improve image quality; technical considerations favor using lower tube voltage and higher tube current values for the purposes of scanning of human mummies. The use of appropriate image reconstruction parameters (slice thickness, increment, field of view, reconstruction filters) are the basis for individual reconstructions for the purpose of evaluation, documentation, illustration and data storage.

Conclusions

Downsizing the field of view to the region of interest as done in the clinical radiological routine represents one major tool to improve image quality.

Significance

The provided recommendations should improve CT image quality in mummy studies as well as the handling of image data for reconstructions and storage.

Limitations

The recommendations for CT scanning parameters and image reconstructions were written with relatively new generation CT scanners in mind. Only a few examples of use were chosen and image quality assessment was performed subjectively and not by quantitative measurements.

中文翻译：

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如何CT扫描人类木乃伊：理论上的考虑和使用示例。

目的

这项研究的目的是为人类木乃伊的计算机断层扫描（CT）检查开发并提供建议。

材料和方法

基于理论上的考虑和示例，为扫描和图像重建参数提供了使用建议。给出了四个例子来说明不同的CT参数对图像质量的影响。

结果

已知使用适当的扫描参数（探测器准直，俯仰因子，旋转时间）可以提高图像质量；技术上的考虑倾向于使用较低的管电压和较高的管电流值来扫描人体木乃伊。适当的图像重建参数（切片厚度，增量，视场，重建滤镜）的使用是进行评估，记录，插图和数据存储的单个重建的基础。

结论

如在临床放射学常规中所做​​的那样，将视场缩小到感兴趣的区域代表了一种改善图像质量的主要工具。

意义

提供的建议应改善木乃伊研究中的CT图像质量，以及处理图像数据以进行重建和存储。

局限性

针对CT扫描参数和图像重建的建议是考虑到相对新一代的CT扫描器而编写的。仅选择了几个使用示例，并且图像质量评估是主观进行的，而不是通过定量测量进行的。