Posteromedial dislocation of the elbow with lateral condyle fracture: The fractured lateral condyle adheres to the radial head

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• 作者：Pen-Gang Cheng^a ; Chang-Chin Chen^a ; Shyi-Kuen Wu^b ; Matthew N. Wang^a ; ^b ; ^{admin_tachia@ktgh.com.tw}
• 关键词：children ; elbow dislocation ; lateral condyle fracture
• 刊名：Formosan Journal of Musculoskeletal Disorders
• 出版年：2012
• 期刊代码：pca163_22107940
• 类别：med
• 出版时间：May, 2012
• 卷：3
• 期：2
• 页码：66-69
• 文件大小：665 K

摘要

Posteromedial dislocation of elbow with lateral condyle fracture is a rare with only a few reported cases. This study describes two children who presented with posteromedial dislocation of elbow with lateral condylar fracture of the distal humerus in which the fractured lateral condyle adhered to the radial head through the intact posterior capsule and lateral collateral ligament. These cases demonstrate the mechanism of this type of injury: during a direct fall onto an outstretched hand, varus force is exerted, resulting in an avulsed lateral condyle while the radial head maintains its relationship with the displaced capitellum through the intact posterior capsule and lateral collateral ligament.