寰椎的后横突孔并非现代解剖变异。
The Retrotransverse Foramen of the Atlas Is not a Modern Anatomic Variation.
作者信息
Sanchis-Gimeno Juan A, Llido Susanna, Nalla Shahed
机构信息
Department of Anatomy and Human Embryology, University of Valencia, Faculty of Medicine, Valencia, Spain.
Department of Anatomy and Human Embryology, University of Valencia, Faculty of Medicine, Valencia, Spain.
出版信息
World Neurosurg. 2019 Mar;123:174-176. doi: 10.1016/j.wneu.2018.11.241. Epub 2018 Dec 14.
BACKGROUND
The retrotransverse foramen (RTF) is a nonmetric variant of the atlas vertebra that consists of an abnormal accessory foramen located on the posterior root of the transverse process and it extends from the posterior root of the transverse process to the root of the posterior arch. Its presence has been related to regional variations of the venous circulation. It is currently unknown whether the RTF is a modern or an ancient anatomic variation.
CASE DESCRIPTION
We analyzed the skeletal remains from the late-ancient Roman necropolis (II-VI centuries ad) of La Boatella (Valencia, Spain) and we found a well-preserved individual skeleton that presented with a left retrotransverse foramen in C1.
CONCLUSIONS
The RTF is not a modern anatomic variation. As a result, ancient individuals had the same modifications in the regional circulation as modern subjects present today.
背景
寰椎后横突孔（RTF）是寰椎的一种非测量性变异，由位于横突后根的异常副孔组成，它从横突后根延伸至后弓根部。其存在与静脉循环的区域变异有关。目前尚不清楚RTF是现代还是古代的解剖变异。
病例描述
我们分析了来自西班牙巴伦西亚拉博阿特拉古罗马晚期墓地（公元2至6世纪）的骨骼遗骸，发现一具保存完好的个体骨骼，其第一颈椎（C1）存在左侧后横突孔。
结论
RTF不是现代解剖变异。因此，古代个体在区域循环方面与现代个体有相同的变异。
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