Bipolar Clavicular Dislocation: A Case Report

Han Jun Lee; Jae Sung Lee; Young Bong Ko

doi:10.12671/jkfs.2008.21.4.316

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Lee, Lee, and Ko: Bipolar Clavicular Dislocation: A Case Report

Case Report

Journal of the Korean Fracture Society 2008; 21(4): 316-319.

Published online: 31 October 2008

DOI: https://doi.org/10.12671/jkfs.2008.21.4.316

Bipolar Clavicular Dislocation: A Case Report

Han Jun Lee, M.D., Jae Sung Lee, M.D., Young Bong Ko, M.D.

Department of Orthopaedic Surgery, Yong-San Hospital, Chung-Ang University College of Medicine, Seoul, Korea.

Address reprint requests to: Jae Sung Lee, M.D. Department of Orthopaedic Surgery, Chung-Ang University Yong-San Hospital, 65-207, Hangangno 3-ga, Yongsan-gu, Seoul 140-757, Korea. Tel: 82-2-748-9746, Fax: 82-2-793-6634, boneman@cau.ac.kr

Received 1 August 2008 Revised 11 September 2008 Accepted 9 October 2008

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Bipolar clavicular dislocation is simultaneous dislocation of both poles of the clavicle (mainly an anterior dislocation of the sternoclavicular joint and a posterior dislocation of acromioclavicular joint) and rarely reported. We report a case of bipolar claviclular dislocation after a seat belt injury and describe its presumed mechanism and treatment with a review of literature.

Keywords: Clavicle, Bipolar dislocation, Seat belt injury

Figures and Tables

Fig. 1

(A) Preoperative AP radiograph shows the widened acromioclavicular joint.

(B, C) 3D Computer tomogram shows posterior dislocation of the lateral end of the clavicle and anterior subluxation of the medial end of the clavicle simultaneously.

Fig. 2

(A) Immediate postoperative AP radiograph shows anatomical reduction of acromioclavicular joint, wires within distal clavicle used fixation of artificial ligament and temporary fixation of acromioclavicular joint with two K-wire.

(B, C) Last follow up at 11 month after surgery. The reduction was well maintained.

Fig. 3

Injury mechanism. Direct force on the posterolateral aspect of acromion or on the anterolateral aspect of distal clavicle may induce posterior dislocation of acromioclavicular joint, and torsional force of the trunk may provoke a horizontal abduction force along the injured clavicle consequently, anterior dislocation of sternoclavicular joint occur.

References

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