IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Right shoulder posterior dislocation with glenoid engagement

Case contributed by Domenico Nicoletti
Diagnosis certain

Presentation

Pain without trauma in shoulder.

Patient Data

Age: 65
Gender: Male

The humeral head articular surface is projected beyond the glenoid edge. No visible fractures.

Posterior dislocation of the humeral head with reverse Hill Sachs lesion and engagement of the glenoid. Bankart lesion is associated with detachment of the bone fragment at the 6-9 o'clock position.

Circle highlights location of humeral head impaction on the glenoid with resulting reverse Hill-Sachs lesion. 

Case Discussion

Posterior shoulder dislocations can be a difficult diagnosis to make on plain radiographs. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.