First Coccygeal Vertebra Dislocation Treated by Open Reduction and Internal Fixation

Se-Ang Chang; Hyun-Seung Yoo; Karam Kim

doi:10.4184/jkss.2017.24.1.55

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Chang, Yoo, and Kim: First Coccygeal Vertebra Dislocation Treated by Open Reduction and Internal Fixation

Case Report

Journal of Korean Spine Surg 2017;24(1):55-58.

Published online: 31 March 2017

DOI: https://doi.org/10.4184/jkss.2017.24.1.55

First Coccygeal Vertebra Dislocation Treated by Open Reduction and Internal Fixation

Se-Ang Chang, M.D., Hyun-Seung Yoo, M.D., Karam Kim, M.D.

Department of Orthopedic Surgery, Daegu Fatima Hospital, Daegu, Korea

Corresponding author: Se-Ang Chang, M.D. Department of Orthopedic Surgery, Daegu Fatima Hospital, 576-31 Sinam-dong, Dong-gu, Daegu, Korea TEL: +82-53-940-7320, FAX: +82-53-940-7417 E-mail: 98tjddlr@naver.com

Received 5 December 20168 December 2016 Accepted 10 February 2017

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Study Design

Case report.

Objectives

To report the effectiveness of open reduction and internal (screw) fixation treatment performed to treat dislocation of the first coccygeal vertebra.

Summary of Literature Review

Most treatment methods for coccygeal dislocation were conservative treatment for acute coccygodynia and coccygectomy for chronic coccygodynia.

Materials and Methods

A 18-year-old female presented with severe coccygodynia due to a fall down the stairs. Computed tomography showed dislocation of the first coccygeal vertebra. We performed open reduction and internal fixation with a 4.0-mm short-thread cancellous screw with a washer, with no additional procedure for bone union.

Results

Union was achieved 10 weeks postoperatively.

Conclusions

Open reduction and internal (screw) fixation can be a useful method for coccygeal vertebra dislocation.

Keywords: Coccygeal vertebrae dislocation, Coccygodynia, Open reduction and internal fixation

REFERENCES

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Fig. 1.

A lateral radiograph of the coccyx shows a displaced first coccygeal vertebra.

Fig. 2.

Preoperative computed tomography shows sacrococcygeal and intercoccygeal dislocation.

Fig. 3.

An intraoperative image shows open reduction and internal fixation with a 4.0-mm partial-thread cancellous screw with a washer.

Fig. 4.

(A, B) Postoperative radiographs show anatomically reduced coc-cyx dislocation.

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