Journal of Musculoskeletal Trauma

Surgical outcomes of the coracoid process fracture associated with the acromioclavicular joint injury in Korea: a case series: Dongju Shin, Sung Choi, Sangwoo Kim, Byung Hoon Kwack; J Musculoskelet Trauma 2026;39(1):54-61. Published online January 14, 2026; DOI: https://doi.org/10.12671/jmt.2025.00346

Abstract PDF: Background
Excluding technical reports and isolated case reports, there are no published studies evaluating coracoid process fixation with or without an acromioclavicular joint (ACJ) stabilization procedure for coracoid process fractures associated with ACJ injury. The purpose of this study was to assess the surgical outcomes of coracoid process fractures associated with ACJ injuries and to determine the usefulness of coracoid process fixation with or without an ACJ stabilization procedure.
Methods
From February 2006 to December 2015, patients with coracoid process fractures associated with ACJ injuries were enrolled. Radiological and clinical outcomes were analyzed in 12 patients who underwent coracoid process fixation with or without an ACJ stabilization procedure. A 3.5-mm cannulated screw with a washer or a 3.0-mm headless compression screw was used for coracoid process fixation, and either a clavicle hook plate or Kirschner (K)-wires were used for ACJ injuries when additional fixation was necessary.
Results
Bone union was achieved in 11 patients (91.7%), while one case was determined to be a nonunion at 6 months. Radiological union occurred at an average of 3 months (range, 1.5–4 months) in all patients except the nonunion case. At the final follow-up, the average clinical scores were a visual analogue scale (VAS) pain score of 1.5 (range, 0–4) and a UCLA score of 30.9 (range, 28–35). Clinical outcomes were satisfactory in all patients, including the patient with nonunion.
Conclusion
The clinical and radiological outcomes of treating coracoid process fractures associated with ACJ injuries using coracoid process fixation with or without ACJ stabilization were favorable. A cannulated screw with a washer and clavicle hook plate fixation may provide sufficient stability for both the coracoid process fracture and the ACJ injury when feasible. Level of evidence: IV.

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Transscaphoidal Dorsal Perilunar Dislocation Associated with Dislocation of Distal Radioulnar Joint: A Case Report: Chul Hyung Kang, Chul Hyun Cho, Dong Wan Kim; J Korean Fract Soc 2014;27(1):77-81. Published online January 31, 2014; DOI: https://doi.org/10.12671/jkfs.2014.27.1.77

Abstract PDF: Dorsal perilunar dislocations are rare traumatic entities. Associated fractures such as carpal bones and radial styloid processes can occur. However, the dorsal perilunar dislocation associated with dislocation of distal radioulnar joint is extremely rare. The authors herein report the case of a 34-year-old man who was presented with transscaphoidal perilunar dislocation which is associated with dislocation of distal radioulnar joint.

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Surgical Treatment of the Perilunate Dislocation and the Lunate Dislocation with Dorsal Approach: Soo Hong Han, Jin Myoung Dan, Dong Hoon Lee, Young Woong Kim; J Korean Fract Soc 2011;24(4):347-353. Published online October 31, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.4.347

Abstract PDF: PURPOSE
To evaluate the clinical and radiologic outcomes of the perilunate dislocation and the lunate dislocation which were managed surgically through a dorsal approach.
MATERIALS AND METHODS
Retrospective reviews of the 13 patients who had minimum 1-year follow-up after surgical treatment through isolated dorsal approach for their perilunate dislocations or the lunate dislocations were performed. The case that dislocated lunate migrated proximally through the wrist was excluded in this series. We evaluated the DASH score in questionnaire method and Mayo wrist score to analyze the clinical outcomes. Radiologic results were investigated by measurement of the scapho-lunate angle, and fracture union was also evaluated in the case of trans-scaphoid dislocation.
RESULTS
The mean DASH Score was 16.3 points (range, 10.8~26.7 points) and the mean Mayo wrist score was 79 points (range, 65~90 points) at the final follow-up. There were 2 cases of excellent, 7 cases of good and 4 cases of fair in the Mayo wrist score. On the radiologic analysis, the mean scapho-lunate angle was 49.0degrees (range, 35~55degrees) and all cases were within the normal range. All cases of the trans-scaphoid perilunate dislocation achieved bone union.
CONCLUSION
Author's cases showed satisfactory outcomes in clinically and radiologically. Isolated dorsal approach could give anatomical reduction and appropriate internal fixation in treatment of the perilunate dislocations and the lunate dislocations except the rare case of proximal migration of the lunate through the wrist.

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Traumatic Bilateral Anterior and Posterior Dislocations of the Hips with a Unilateral Acetabular Posterior Column Fracture (Thompson and Epstein type IV): A Case Report: Young Sik Lee, Jung Dae Oh, Jin Tae Choi, Gyeong Rin Lim; J Korean Soc Fract 1997;10(4):766-771. Published online October 31, 1997; DOI: https://doi.org/10.12671/jksf.1997.10.4.766

Abstract PDF: A rare case of traumatic bilateral anterior and posterior dislocations of the hips occurred by passenger traffic accident . The right hip was dislocated posterosuperior to the right acetabulum with a linear acetabular posterior column tracture(Thompson and Epstein type IV) and left hip was dislocated anteroinferior to the left acetabulum(modified classification of Epstein type II A). The dislocations were successfully reduced by the Bigelows method for the right hip and the reverse Bigelows method for the left hip, and 4 weeks of Bucks traction was applied. He was able to return to full activity after 4 months. There was no sign of avascular necrosis at 3 years and 11 months follow-up.

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