胫骨平台后外侧髁“边缘曲线”的影像学研究及临床意义

doi:10.13418/j.issn.1001-165x.2019.01.005

中国临床解剖学杂志 ›› 2019, Vol. 37 ›› Issue (1): 20-24.doi: 10.13418/j.issn.1001-165x.2019.01.005

胫骨平台后外侧髁“边缘曲线”的影像学研究及临床意义

姚喜州，　张世民，　胡孙君，　杜守超，　马卓

同济大学附属杨浦医院骨科，上海 200090

收稿日期:2018-03-06 出版日期:2019-01-25 发布日期:2019-02-20
通讯作者: 张世民，主任医师，教授，博士生导师，Tel:(021)65690520，E-mail:shiminchang11@aliyun.com
作者简介:姚喜州（1990-），在读硕士，研究方向为创伤骨科，Tel：18516577865，E-mail：yaoxizhoude@163.com
基金资助:
国家自然科学基金项目（81873989）；上海市科委医学引导类项目（17411971400）

The marginal curvature of the posterolateral tibial plateau: imaging study and clinical significance

YAO Xi-zhou, ZHANG Shi-min, HU Sun-jun, DU Shou-chao, MA Zhuo

Department of Orthopedic Surgery，Yangpu Hospital of Tongji University，Shanghai 200090, China

Received:2018-03-06 Online:2019-01-25 Published:2019-02-20

摘要/Abstract

摘要：

研究胫骨平台后外侧髁弧形轮廓的角度及长度，为临床钢板塑形和设计新型水平带状钢板提供理论依据。方法　收集50例成人膝关节CT数据[男31 例，女19例，平均（37.68±12.76）岁]。在横断面平扫图像下，以腓骨头尖初次显露为标准图片，在胫骨平台外侧髁边缘标记A、B、C、D、E五点。分段测量并记录其连线的长度与夹角，计算后外侧髁曲线长度和曲线的转折角。结果　胫骨平台后外侧髁曲线长度平均（44.04±11.33）mm (19.50~75.50 mm), 由前向后的三点折弯角平均为（163.36±7.67）°、（127.95±20.85）°和（160.50±11.99）°。手术中按照该测量参数进行钢板折弯与塑形，5例患者术后CT显示，钢板形状与胫骨平台后外侧髁贴服紧密，对皮质轮廓包绕良好。结论　按照骨骼测量的边缘曲线参数进行术中钢板折弯和设计新型解剖钢板，能够提高钢板与后外侧髁的贴合程度。

关键词: 胫骨平台后外侧髁骨折, 　胫骨平台轮廓, 　边缘曲线, 　水平带状钢板

Abstract:

Objective　To measure the angles and length of the curve on posterolateral tibial plateau, and to provide theoretical basis for the clinical plate shaping and the design of new horizontal plate.　Methods　CT data of fifty adult knees were collected (male 31, female 19, mean age 37.68±12.76). Then five points were marked A, B, C, D and E on the edge of posterolateral tibial plateau on the axial CT image when the fibular tip first appeared. The length and angles between each point were measured to provide clinical information on plate length and bending angles.　Results　The average length of the posterolateral tibial plateau curve was（44.04±11.33）mm (19.50~75.50 mm), and the average turning angles were (163.36±7.67) °,(127.95±20.85) ° and (160.50±11.99) °, from anterior to posterior. Clinically five cases were applied with this anatomic measurement, and the postoperative CT showed that the plate and plateau matched completely and contacted closely. 　Conclusion　Obtaining the marginal curve parameter can facilitate intra-operative bending of horizontal belt plate and design of new types of the anatomical plate to increase compatibility with the shape of the posterolateral tibial plateau.

Key words: Posterolateral tibial plateau fracture;　Tibial plateau contour;　Marginal curve; , Horizontal belt plate

姚喜州，　张世民，　胡孙君，　杜守超，　马卓. 胫骨平台后外侧髁“边缘曲线”的影像学研究及临床意义[J]. 中国临床解剖学杂志, 2019, 37(1): 20-24.

YAO Xi-zhou, ZHANG Shi-min, HU Sun-jun, DU Shou-chao, MA Zhuo. The marginal curvature of the posterolateral tibial plateau: imaging study and clinical significance[J]. Chinese Journal Of Clinical Anatomy, 2019, 37(1): 20-24.

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胫骨平台后外侧髁“边缘曲线”的影像学研究及临床意义

The marginal curvature of the posterolateral tibial plateau: imaging study and clinical significance

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