University of Jamestown Physical Therapy Program, Fargo, North Dakota.
Am J Hum Biol. 2018 Nov;30(6):e23179. doi: 10.1002/ajhb.23179. Epub 2018 Oct 4.
Computed tomography (CT) is commonly used to noninvasively examine mummified remains, but can have resolution limitations when analyzing smaller mummified specimens, such as fetal mummies. This short report determines if the enhanced resolution of micro CT improves the anatomical analysis of mummified fetal anatomy.
A fetal mummy from an anatomical collection was scanned by a micro CT at a resolution of 0.08 mm slice thickness. The mummy was also scanned at a resolution of 0.6 mm slice thickness to mimic the approximate minimum resolution of a conventional CT scanner. The anatomy was virtually reconstructed at both resolutions to compare anatomical detail for determining sex, gestation, and the presence of congenital/ pathological conditions.
The anatomical reconstructions based on the micro CT were significantly more detailed than the conventional CT data. This resulted in improved identification of sex and the presence of a congenital/ pathological condition.
Micro CT should be considered when examining fetal mummies, because of the enhanced resolution resulting in improve anatomical analysis.
计算机断层扫描(CT)常用于对木乃伊进行非侵入性检查,但在分析较小的木乃伊标本(如胎儿木乃伊)时,可能存在分辨率限制。本短篇报告旨在确定微 CT 的增强分辨率是否能提高木乃伊胎儿解剖结构的分析效果。
对解剖学收藏中的胎儿木乃伊进行微 CT 扫描,分辨率为 0.08 毫米切片厚度。还以 0.6 毫米切片厚度的分辨率扫描木乃伊,以模拟常规 CT 扫描仪的近似最小分辨率。在两种分辨率下对木乃伊进行虚拟重建,以比较确定性别、胎龄和先天/病理状况存在的解剖细节。
基于微 CT 的解剖重建明显比常规 CT 数据更详细。这有助于提高性别和先天/病理状况的识别能力。
在检查胎儿木乃伊时,应考虑使用微 CT,因为增强的分辨率可提高解剖分析效果。