Acromioclavicular joint dissociation - type IV

Case contributed by Dr Craig Hacking

Presentation

Painful left shoulder after sports tackle.

Patient Data

Age: 25 years
Gender: Male

Glenohumeral joint is normally aligned. Posterior superior dislocation of the clavicle at the acromioclavicular joint. No fracture identified.

The distal clavicle is displaced posteriorly with respect to the acromion, protruding into the trapezius muscle. The glenohumeral joint is normally aligned. No shoulder or rib fractures.

Case Discussion

Posterior dislocation of the distal clavicle with respect to the acromion, with the clavicle protruding into the trapezius muscle is a type IV ACJ injury.

PlayAdd to Share

Case information

rID: 64411
Published: 22nd Nov 2018
Last edited: 10th Mar 2019
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.