Figure 2

Treatment of Rockwood type IV dislocation. (A) Preoperative anteroposterior X-ray shows acromioclavicular joint space widening. (B) Preoperative CT scan demonstrates that the distal clavicle is displaced backwards, indicating Rockwood type IV dislocation. (C–E) Postoperative X-ray and CT scan indicate that both the vertical and horizontal positions achieve the anatomic reduction.