case_images: PMC4772415_01
case_images: Anteroposterior X-ray of left clavicle taken at time of injury showing mid-shaft clavicle fracture and widening of the acromioclavicular joint
case_images: IJSS-10-37-g001.jpg
case_images: PMC4772415_01_IJSS-10-37-g001.jpg
case_images: F1
case_images: The X-ray demonstrated a clavicle fracture with mild displacement and some widening of the AC joint [Figure 1].
case_images: Appearance of the clavicle and type IV acromioclavicular dislocation prior to surgery
case_images: IJSS-10-37-g002.jpg
case_images: PMC4772415_01_IJSS-10-37-g002.jpg
case_images: F2
case_images: 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].
case_images: 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
case_images: IJSS-10-37-g003.jpg
case_images: PMC4772415_01_IJSS-10-37-g003.jpg
case_images: F3
case_images: These demonstrated malunion of the clavicle with anterior bowing, and type IV dislocation of the AC joint [Figure 3].
case_images: X-ray at 6 months postoperatively showing union of the clavicle osteotomy, satisfactory position of the acromioclavicular joint with some coracoclavicular ossifi cation
case_images: IJSS-10-37-g004.jpg
case_images: PMC4772415_01_IJSS-10-37-g004.jpg
case_images: F4
case_images: The patient had postoperative and follow-up X-rays [Figure 4].