Reverse shoulder prosthesis - anterior dislocation

Case contributed by Dr Domenico Nicoletti


Previous trauma from falling not radiologically studied (four months ago).

Patient Data

Age: 65
Gender: Female

Anterior dislocation of the humeral component while the glenoid component is in place.

In addition to the dislocation, there is a large periprosthetic collection with partially calcified walls, close to which, medially, a small bone fragment can be recognized due to fracture of the inferior edge of the glenoid.

Case Discussion

Several factors are responsible for dislocation or instability, such as lack of tension in the soft tissue, mechanical impingement, mismatch glenosphere-humeral cup and improper version of the prosthesis.

Proper soft tissue tension is essential for the stability of reverse shoulder prostheses. 

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Case information

rID: 60010
Published: 3rd May 2018
Last edited: 8th May 2018
Inclusion in quiz mode: Included

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