Orthopaedic Surgery

Answer 5 AP, scapular lateral, and axillary lateral radiography. The anteroposterior (AP), scapular lateral, and axillary lateral views represent the trauma series and should be obtained in any patient with shoulder injuries. AP radiographs in internal and external rotation, although commonly performed in the emergency department, do not allow assessment of anterior/posterior instability. Many posterior dislocations have been missed because a lateral radiograph was not obtained. Ultrasonography, computed tomographic scans, and magnetic resonance imaging are adjunctive studies not used in the initial evaluation. Click here to return to the questions

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