骶骨第1椎弓根倾斜角与耳状面形态的相关性研究

doi:10.13418/j.issn.1001-165x.2015.06.005

中国临床解剖学杂志 ›› 2015, Vol. 33 ›› Issue (6): 637-640.doi: 10.13418/j.issn.1001-165x.2015.06.005

骶骨第1椎弓根倾斜角与耳状面形态的相关性研究

陈臻浩^1,2,　蒋熙^1,2,　胡文君^1,2,　黄麟翕^1,2,　郭晓丹¹,　杨向群¹

1.第二军医大学解剖学教研室；　2. 第二军医大学临床7队，上海 200433

收稿日期:2014-11-28 出版日期:2015-11-25 发布日期:2015-12-18
通讯作者: 杨向群，教授，博士生导师，E-mail：yangxq@smmu.edu.cn
作者简介:并列第一作者：陈臻浩（1993-），男，浙江湖州人，第二军医大学2012级在读本科生，Tel：18818198597，E-mail: czhtracy1@hotmail.com；蒋熙（1994-），女，浙江金华人，第二军医大学2012级在读本科生，Tel：13127952352；E-mail: 1224055978@qq.com
基金资助:
第二军医大学创新能力培养计划(MS2013032)

The correlation between the inclination of S1 pedicles and morphology of auricular surface of sacrum

CHEN Zhen-hao^1,2, JIANG Xi ^1,2, HU Wem-jun ^1,2, HUANG Lin-xi ^1,2, GUO Xiao-dan¹, YANG Xiang-qun¹

1. Department of Anatomy，Second Military Medical University； 2. Company Seven of Clinic， Second Military Medical University, Shanghai 200433, China

Received:2014-11-28 Online:2015-11-25 Published:2015-12-18

摘要/Abstract

摘要：

目的　研究骶骨第1椎弓根倾斜角与骶骨耳状面解剖形态的相关性，为骶髂关节骨折脱位经皮骶髂螺钉固定提供解剖学依据。方法　42块干燥成人骶骨，在大体标本和X线影像上分别测量耳状面和第1椎弓根的相关参数，并分析他们之间的相关性。结果　耳状面上、下半长轴长比值R1为0.86±0.15，根据其大小可将耳状面分为L型（R1>1）和f型（R1<1）。第1椎弓根倾斜角θ为(25.72±6.69)°，R1与θ呈负相关。结论　当第1椎弓根倾斜角较小时，其耳状面多为L型，建议手术螺钉的进钉点偏下、小角度向内上；当第1椎弓根倾斜角较大时，其耳状面多为f型，建议手术螺钉的进针点偏上、大角度向内上。

关键词: 骶骨耳状面, 第1椎弓根, 相关性, 骶髂关节固定

Abstract:

Objective　In order to provide anatomic basis for percutaneous fixation using sacroiliac screw by analyzing the correlation between the inclination of S1 pedicles and morphology of auricular surface of sacrum was investigated. Methods The relevant parameters of S1 pedicles and auricular surface were measured in 42 dry adult sacra respectively, then the correlation of the parameters was analyzed statistically. Results The ratio (R1) of long axis of the upper part and the lower part was 0.86±0.15. According to the value of R1, the auricular surface was classified into two types, type L （R1>1） and f （R1<1）. The inclination of S1 pedicles (θ) was (25.72±6.69)°, and the ratio R1 was correlated negatively with inclination θ. Conclusion When the inclination of S1 pedicles is small, the auricular surface is type L, suggesting optimal angle of screw of S1 pedicle is smaller and the optimal point of surgical screws should be lower. When the inclination of S1 pedicles is larger, the auricular surface is type f, suggesting optimal angle of screw of S1 pedicle is larger and the optimal point of surgical screws should be higher.

Key words: Sacral auricular surface, S1 pedicle, Correlation, Fixation of sacroiliac joint

陈臻浩,蒋熙,胡文君,黄麟翕,郭晓丹,杨向群. 骶骨第1椎弓根倾斜角与耳状面形态的相关性研究[J]. 中国临床解剖学杂志, 2015, 33(6): 637-640.

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骶骨第1椎弓根倾斜角与耳状面形态的相关性研究

The correlation between the inclination of S1 pedicles and morphology of auricular surface of sacrum

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