Abstract

Fractures around the elbow in children should be carefully evaluated because the main portion is cartilaginous, and radiographs are not completely reliable. This study aimed to assess the diagnostic imaging for pediatric elbow fractures that require special attention and consider the usefulness of ultrasonography with seven standard planes for the diagnosis. Patients diagnosed with elbow fractures wherein TRASH (The Radiographic Appearance Seemed Harmless) lesions were evaluated retrospectively. The diagnoses on initial radiographs, final diagnoses, additional imaging excluding radiographs, and the treatments were investigated. The standard planes for ultrasonography to detect elbow fractures included an anterior transverse scan at the level of the capitellum and proximal radioulnar joint, an anterior longitudinal scan at the level of the humeroradial and humeroulnar joints, a longitudinal scan along the lateral and medial border of the distal humerus, and a posterior longitudinal scan at the level of the distal humerus. A total of 107 patients with an average age of 5.8 years (range, 0-12 years) at the time of diagnosis were included. Of 46 (43.0%) patients misdiagnosed at the initial radiograph, 19 (17.8%) needed additional treatments due to inappropriate initial management. Ultrasonography using the standard planes was useful for prompt diagnosis and appropriate treatment. Prompt and appropriate evaluation with ultrasonography can prevent the mismanagement of pediatric elbow injuries. Level of evidence: Level IV-retrospective case series.

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