Presentation
Right shoulder injury sustained while skateboarding, positive piano key sign.
Patient Data
Age: 25 years
Gender: Male
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The right clavicle is displaced superiorly compared to the acromion, the AC joint is widened, the coracoclavicular distance is increased.
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Control x-ray a month later shows anatomical situation following fixation with wire.
Case Discussion
The findings are in line with a type 3 acromioclavicular joint injury according to the Rockwood classification system.