Presentation
Recurrent anterior shoulder dislocations in a professional football player.
Patient Data
Axial fat-suppressed T1-weighted image from an MR arthrogram shows detachment of the anteroinferior labrum (3-6 o'clock) with complete tearing of the anterior scapular periosteum without an osseus fragment of the glenoid. There’s also a posterolateral depression of the humeral head (Hill- Sachs defect). The rotator cuff is normal.
Case Discussion
Bankart lesion is a labral tear of the anteroinferior labrum (3-6 o'clock) with complete tearing of the anterior scapular periosteum without an osseus fragment and is a direct result of the anteriorly dislocated humeral head compressing against the labrum. The anteroinferior labrum is the area where anterior band of the glenohumeral ligament inserts. During the anterior dislocation the inferior glenohumeral ligament stabilizes the shoulder, as well as limits the anteroinferior subluxation and dislocation.
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