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Displaced right olecranon fracture
27%
88/326
Right elbow dislocation with spontaneous reduction and entrapped medial epicondyle fragment
47%
154/326
Effusion of the right elbow without an identifiable radiographic fracture
2%
8/326
Nondisplaced right lateral condyle fracture of the distal humerus
9%
28/326
Right Gartland type I supracondylar humerus fracture
14%
45/326
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To accurately diagnose skeletal injuries around the elbow in children, the practitioner must be knowledgeable about the progressive ossification centers. In this case, at age 4 years, a female will have a partially ossified capitellum, radial head, and medial epicondyle. The trochlea, olecranon, and lateral epicondyle ossification centers should remain fully cartilaginous at this stage of development. The irregularity in the area of the olecranon on the radiograph represents a displaced fracture requiring accurate reduction and fixation to ensure restoration of articular congruity and full elbow function. The presence of a posterior fat pad sign on the radiograph is indicative of a traumatic effusion, but there is an identifiable fracture in this patient. Olecranon fractures are commonly seen in children with osteogenesis imperfecta.
1.5
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