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Trauma
intermediate
X-Type

Shoulder Dislocations - Anterior, Hill-Sachs, and Bankart Lesions

Shoulder Dislocations

A 22-year-old male presents to the emergency department after a tackle during rugby. He is holding his right arm in external rotation and abduction, with visible loss of the normal shoulder contour. Radiographs confirm anterior glenohumeral dislocation. After successful closed reduction, post-reduction radiographs show a compression defect on the posterolateral humeral head. Regarding anterior shoulder dislocation and associated injuries:

Mark each as TRUE or FALSE

A

Anterior shoulder dislocation accounts for 95-97% of glenohumeral dislocations; the mechanism typica...

B

Hill-Sachs lesion is a compression fracture of the posterolateral humeral head occurring in 40-90% o...

C

Hill-Sachs lesions occur on the anteromedial aspect of the humeral head; they are present in less th...

D

Bankart lesion is an avulsion of the anteroinferior labrum from the glenoid rim, present in 80-97% o...

E

The glenoid track concept (Yamamoto/Itoi) evaluates whether a Hill-Sachs lesion will engage the glen...

Answer the questions to see explanations

Click T (True) or F (False) for each option