PMC4772415_01
Anteroposterior X-ray of left clavicle taken at time of injury showing mid-shaft clavicle fracture and widening of the acromioclavicular joint
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F1
The X-ray demonstrated a clavicle fracture with mild displacement and some widening of the AC joint [Figure 1].
Appearance of the clavicle and type IV acromioclavicular dislocation prior to surgery
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F2
On examination, he had a bowed, anteriorly prominent appearance of the middle third of his clavicle with the lateral aspect of the clavicle displaced posteriorly consistent with type IV dislocation of the AC joint [Figure 2].
Preoperative computed tomography anterior (a) and superior (b) three-dimensional views showing marked anterior bowing of the L mid-clavicle and posterior dislocation of the acromioclavicular joint with a well-defi ned ossicle at the anterior aspect of the lateral clavicle
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F3
These demonstrated malunion of the clavicle with anterior bowing, and type IV dislocation of the AC joint [Figure 3].
X-ray at 6 months postoperatively showing union of the clavicle osteotomy, satisfactory position of the acromioclavicular joint with some coracoclavicular ossifi cation
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F4
The patient had postoperative and follow-up X-rays [Figure 4].