ALPSA lesion of the shoulder

Case contributed by Dr Andrew Lawson

Presentation

Recurrent shoulder dislocations

Patient Data

Age: 40
Gender: Female
Modality: MRI

The anterior inferior labrum is detached from the 5:30 position to the 3 o'clock position with medialisation of the more superior component and associated periosteal stripping of the inferior component. The rotator cuff tendons are intact. No Hill-Sachs deformity. The biceps tendon and biceps labral complexes are intact. AC joint is normal. There is apparent chondro-labral separation of the posterior labrum.

Comment The findings are consistent with an anterior labral periosteal sleeve avulsion (ALPSA) lesion.

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Case Information

rID: 25569
Case created: 30th Oct 2013
Last edited: 22nd Sep 2015
Inclusion in quiz mode: Included

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