Reverse Perthes lesion

Case contributed by Dr Domenico Nicoletti

Presentation

Instability in shoulder posterior dislocation.

Patient Data

Age: 25 years
Gender: Male
MRI

Right shoulder MRI arthrogram

Posterior labroligamentous avulsion in the 6-9 o'clock position with a medially stripped intact periosteum.

There is also a reverse Hill-Sachs lesion of the anterior side of the humeral head.

Annotated image

Posterior labroligamentous avulsion in the 6-9 o'clock position with a medially stripped intact periosteum.

Case Discussion

The Perthes lesion is a variation of the Bankart lesion, where the scapular periosteum is lifted and stripped medially with the detached labrum. The labrum may appear to be in a normal position at surgery but is still unstable.

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Case information

rID: 55897
Case created: 28th Sep 2017
Last edited: 1st Oct 2017
Inclusion in quiz mode: Included

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