基于CT三维重建的成人第5掌骨的形态学及临床意义

doi:10.16098/j.issn.0529-1356.2020.03.016

解剖学报 ›› 2020, Vol. 51 ›› Issue (3): 411-415.doi: 10.16098/j.issn.0529-1356.2020.03.016

基于CT三维重建的成人第5掌骨的形态学及临床意义

邓玖征¹ 赵喆¹朱剑津¹ 程晓光² 马毅民²潘勇卫^1*

1.清华大学附属北京清华长庚医院骨科，清华大学临床医学院，北京 102218； 2.北京积水潭医院放射科，北京 100035

收稿日期:2019-11-20 修回日期:2020-01-14 出版日期:2020-06-06 发布日期:2020-06-06
通讯作者: 潘勇卫 E-mail:ywpan2013@163.com
基金资助:
北京市科技计划课题

Morphology of the fifth metacarpal bone based on three-dimensional computed tomography image and its clinical significance

DENG Jiu-zheng¹ ZHAO Zhe¹ ZHU Jian-Jin¹ CHENG Xiao-guang² MA Yi-min² PAN Yong-wei^1*

1.Department of Orthopedics, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China; 2.Department of Radiology, Beijing Jishuitan Hospital, Beijing 100035, China

Received:2019-11-20 Revised:2020-01-14 Online:2020-06-06 Published:2020-06-06
Contact: PAN Yong-wei E-mail:ywpan2013@163.com

摘要/Abstract

摘要：

目的通过对成人第5掌骨CT三维重建数据进行测量，探讨人类第5掌骨形态学特点及临床意义，为临床手术和器械设计提供依据。方法对医学影像工作站内留存的114例第5掌骨CT扫描进行三维重建，基于三维模型测量第5掌骨长度、掌骨头半径、掌骨弓半径和1/2掌骨弓圆心角、掌骨头偏心距和偏心比及髓腔狭部内径。结果成人掌骨长度（51.55±3.01）mm，掌骨头半径（6.59±0.49）mm，掌骨弓半径（99.58±26.83）mm，1/2掌骨弓圆心角（15.90±3.36）°，掌骨头偏心距平均（0.49±0.26）mm，掌骨头偏心比平均（7.4±3.9）%，髓腔峡部内径平均（2.28±0.77）mm。结论男性掌骨长度、掌骨头半径、掌骨头偏心距及髓腔峡部内径大于女性，其余指标性别间差异无显著性；左右手之间差异也无显著性。

关键词: 第5掌骨, 解剖形态学, 计算机X线断层摄影术, 三维重建, 人

Abstract:

Objective To discuss the morphological features of the fifth metacarpal bone and clinical significance by measuring the three-dimensional (3-D) reconstruction model, and to improve the clinical technique and surgical instruments. Methods A total of 114 3-D reconstruction models based on computed tomography data of fifth metacarpal bone were created. The length, the radius of head, the radius of arc, the 1/2 central angle of arc, the distance of head offset, the ratio of head offset, the inner diameter of the isthmus of medullary space were measured based on 3-D models. Results The fifth metacarpal bone length was（51.55±3.01）mm. The radius of the fifth metacarpal head was (6.59±0.49）mm. The radius of the fifth metacarpal bone arc was（99.58±26.83）mm. The 1/2 central angle of fifth metacarpal bone arc was（15.90±3.36）°. The distance of the fifth metacarpal head offset was（0.49±0.26）mm. The ratio of head offset was（7.4±3.9）%. The inner diameter of the isthmus of medullary space was (2.28±0.77）mm. Conclusion The length, the radius of head, the distance of head offset, the inner diameter of the isthmus of medullary space are different between male and female, and the other parameters are not different. There is no significant difference between left and right hand.

Key words: The fifth metacarpal bone, Anatomical morphology, Computed tomography, Three-dimensional reconstruction, Human

中图分类号:

R323.7⁺1

邓玖征赵喆朱剑津程晓光马毅民潘勇卫. 基于CT三维重建的成人第5掌骨的形态学及临床意义[J]. 解剖学报, 2020, 51(3): 411-415.

DENG Jiu-zheng ZHAO Zhe ZHU Jian-Jin CHENG Xiao-guang MA Yi-min PAN Yong-wei. Morphology of the fifth metacarpal bone based on three-dimensional computed tomography image and its clinical significance[J]. Acta Anatomica Sinica, 2020, 51(3): 411-415.

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基于CT三维重建的成人第5掌骨的形态学及临床意义

Morphology of the fifth metacarpal bone based on three-dimensional computed tomography image and its clinical significance

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