Anterior shoulder dislocation
- Usually the result of direct or indirect trauma, with the arm forced into abduction and external rotation.
- Most frequent type of shoulder dislocation (represents more than 90% of injuries).
- Associated lesions:
- Hill-Sach lesions (describes a characteristic defect of the posterolateral surface of the humeral head, and represents a compression fracture)
- Labral lesions (ie, Bankart lesion)
- Bony glenoid lesions - Osseous anterior glenoid rim fractures (44%), bony Bankart lesions, fracture of the greater tuberosity
- Intraarticular loose body
- Rotator cuff lesions - Supraspinatus tears or subscapularis tears
 Imaging Findings
Patient #1: Shoulder trauma