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06 February 2024 : Case report  Japan

[In Press] Symptomatic Nonunion of the Coracoid Process Following Osteosynthesis Using a Suture Button for Coracoid Process and Distal Clavicle Fracture: A Case Report

Unusual clinical course, Unusual or unexpected effect of treatment

Ryogo Furuhata1ABDEF, Atsushi Tanji1DEF

DOI: 10.12659/AJCR.943108

Am J Case Rep In Press; DOI: 10.12659/AJCR.943108  

Available online: 2024-02-06, In Press, Corrected Proof

Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication. The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule


Coracoid process fractures are uncommon and are often complicated by many types of shoulder girdle injuries. Previous reports have shown that osteosynthesis for isolated coracoid process fractures results in favorable outcomes and high bone union rates. However, owing to the rarity of coracoid process fractures combined with distal clavicle fractures, there are limited data to guide treatment strategies. We report a case of symptomatic nonunion despite performing osteosynthesis for fractures of the coracoid process and distal clavicle.
A 60-year-old man presented with left shoulder pain after falling from the back of a truck. Radiography and computed tomography (CT) findings revealed fractures of the left distal clavicle and coracoid process. We performed plate and costoclavicular fixation using a suture button for the distal clavicle fracture and cannulated cancellous screw fixation for the coracoid process fracture. However, the patient experienced severe pain around the coracoid and had limited shoulder range of motion 1 year postoperatively. CT revealed nonunion of the coracoid process, prompting a recommendation for surgery. However, despite severe persistent functional impairment, the patient refused surgery 1.5 years postoperatively.
This case suggests the potential for symptomatic nonunion of the coracoid process when using a suture-button device for a distal clavicle fracture. To prevent postoperative nonunion of the coracoid process, postoperative CT evaluation is necessary. If a symptomatic delayed bone union of coracoid process is observed, considering early removal of the suture button is recommended.

Keywords: Clavicle; Coracoid Process

In Press

18 Jan 2024 : Case report  Belgium

A Rare Case of Retroperitoneal Abscess Caused by Nephro-Colic Fistula Resulting from Staghorn Calculus

Am J Case Rep In Press; DOI: 10.12659/AJCR.943206  


18 Jan 2024 : Case report  USA

A Case of Left-Sided Acute Appendicitis in a 45-Year-Old Man with Situs Inversus Totalis Managed by Emergen...

Am J Case Rep In Press; DOI: 10.12659/AJCR.942323  


23 Jan 2024 : Case report  USA

Cloacal Dysgenesis Sequence in a Preterm Neonate

Am J Case Rep In Press; DOI: 10.12659/AJCR.942203  


09 Feb 2024 : Case report  USA

A Case of Trauma-Related Angioedema of the Airway in a Patient on an Angiotensin Receptor Blocker

Am J Case Rep In Press; DOI: 10.12659/AJCR.943407  


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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923