IR@PKUHSC  > 北京大学第三临床医学院  > 骨科
学科主题临床医学
Anomalous Vertebral Artery in Craniovertebral Junction With Occipitalization of the Atlas
Wang, Shenglin1; Wang, Chao1; Liu, Yi2; Yan, Ming1; Zhou, Haitao1
关键词craniovertebral junction vertebral artery occipitalized atlas
刊名SPINE
2009-12-15
DOI10.1097/BRS.0b013e3181b4fb8b
34期:26页:2838-2842
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Clinical Neurology ; Orthopedics
研究领域[WOS]Neurosciences & Neurology ; Orthopedics
关键词[WOS]COMPUTED-TOMOGRAPHY ANGIOGRAPHY ; QUANTITATIVE ANATOMY ; ATLANTOAXIAL FIXATION ; SCREW FIXATION ; POSTERIOR ARCH ; CLASSIFICATION ; PLATE ; REGION ; GROOVE
英文摘要

Study Design. Observational study with 3-dimensional computed tomography angiography analysis.

Objective. To examine the course of the vertebral artery (VA) at the craniovertebral junction (CVJ) in individuals with occipitalization of the atlas.

Summary of Background Data. The anatomy of the VA at the CVJ should be completely understood to decrease the risk of iatrogenic injury. Although quantitative anatomic studies have focused on the normal VA, the anomalous VA with occipitalization of the atlas has not been fully explored.

Methods. A consecutive series of 36 cases with occipitalization of the atlas underwent 3-dimensional computed tomography angiography. Seventy-two vertebral arteries were analyzed. In this setting, the safety of placing lateral mass screws (LMS) was studied.

Results. Four different pathways of the VA at the CVJ with occipitalization of the atlas were found. Type I, wherein the VA enters the spinal canal below the C1 posterior arch, and the course of the VA is below the occipitalized C1 lateral mass (8.3% of 72 vertebral arteries); Type II, the VA enters the spinal canal below the C1 posterior arch, and the course of the VA is on the posterior surface of the occipitalized C1 lateral mass, or makes a curve on it (25%); Type III, wherein the VA ascends externally laterally after leaving the axis transverse foramen, enters an osseous foramen created between the atlas and occipital bone, then into the cranium (61.1%); and Type IV, in which the VA is absent (5.6%).

Conclusion. Four types of VA with occipitalization of the atlas are confirmed. Type-I and type-IV VA have relatively low risks for C1 LMS perforation. Type-II and type-III anomalies will probably increase the risk of VA injury during C1 LMS placement. Definite caution should also be taken during the procedure on the contralateral side of a type-IV VA.

语种英语
WOS记录号WOS:000272794000002
引用统计
被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/64831
专题北京大学第三临床医学院_骨科
作者单位1.Peking Univ, Dept Orthopaed, Hosp 3, Beijing 100191, Peoples R China
2.Peking Univ, Dept Radiol, Hosp 3, Beijing 100191, Peoples R China
推荐引用方式
GB/T 7714
Wang, Shenglin,Wang, Chao,Liu, Yi,et al. Anomalous Vertebral Artery in Craniovertebral Junction With Occipitalization of the Atlas[J]. SPINE,2009,34(26):2838-2842.
APA Wang, Shenglin,Wang, Chao,Liu, Yi,Yan, Ming,&Zhou, Haitao.(2009).Anomalous Vertebral Artery in Craniovertebral Junction With Occipitalization of the Atlas.SPINE,34(26),2838-2842.
MLA Wang, Shenglin,et al."Anomalous Vertebral Artery in Craniovertebral Junction With Occipitalization of the Atlas".SPINE 34.26(2009):2838-2842.
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