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A 23-year-old amateur football player sustained a minor fall during a training session in which he was tackled while running at low speed and fell sideways onto his flexed elbow. He sustained a traumatic injury to the non-dominant right shoulder, which had an optimal recovery after outpatient management for 6 months. A plain radiograph of the shoulder shortly after this initial injury was taken (figure 1A,B).
Two years after management of the original injury, he presented complaining of a 1-year history of a progressively more prominent subjective sensation of instability and intermittent shoulder pain on extremes of range of motion, particularly when the arm was abducted and/or externally rotated. A magnetic resonance (MR) arthrogram was then performed to aid in the diagnosis (figure 2).
The medical history was unremarkable and he was not taking any regular medication.
On physical examination, the patient was an otherwise healthy young man with a slightly reduced shoulder range …