Fracture of the surgical neck of the humerus

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Fracture of the surgical neck of the humerus Fracture of the surgical neck of the humerus. This 15-year-old boy injured his shoulder in a car accident. (A) This AP view of the left shoulder demonstrates a severely displaced surgical neck fracture. The distal fragment has displaced laterally and superiorly. The fracture line is transverse (large arrow). Note the growth plate of the humeral head (small arrows), which is distinguished from the fracture by smoothly rounded margins and increased density on the border of the epiphysis. (B) Follow-up films made 1 month after surgical pin fixation. Note good alignment and positioning at the fracture site and evidence of callus formation bridging the fracture gap. (C) 4 ½ months after injury. The pins had been removed a few weeks prior. Large arrows point to the barely visible remnant of the fracture line, which is undergoing progressive remodeling. Small arrows point to the epiphyseal growth plate, which has also changed in appearance because of maturity after this length of time. Source: RADIOLOGIC EVALUATION OF THE SHOULDER, Fundamentals of Musculoskeletal Imaging Citation: McKinnis LN. Fundamentals of Musculoskeletal Imaging; 2014 Available at: https://fadavispt.mhmedical.com/DownloadImage.aspx?image=/data/books/1899/mckfunda_fig-15-49.png&sec=141192744&BookID=1899&ChapterSecID=141192588&imagename= Accessed: December 24, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved