Understanding the mechanism of injury and fracture pattern of paediatric triplane ankle fractures versus adult trimalleolar fractures.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: J. Prijs reports support for attending meetings and/or travel from the Michael van Vloten Foundation, Prins Bernhard Cultuurfonds, and ZonMw, all of which are unrelated to this study. J. N. Doornberg reports an unrestricted post-doctoral research grant from the Marti-Keuning-Eckhardt Foundation. B. Jadav reports consulting fees and payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events from Depuy Synthes, unrelated to this study. R. L. Jaarsma is an unpaid Executive member of the Australian Orthopaedic Association. 16. AJR Am J Roentgenol. 1980 Nov;135(5):1057-63. doi: 10.2214/ajr.135.5.1057. Classification of ankle fractures: an algorithm. Arimoto HK, Forrester DM. In 1950, Lauge-Hansen devised a classification of ankle fractures based on the position of the foot and the deforming force at the time of injury. This has been widely accepted by orthopedists, but is not in general use by radiologists. An algorithm based on his classification that allows rapid assessment of the mechanism of injury in 90%-95% of cases has been devised by the authors. Identification of the fractures and classification of the type of injury allows diagnosis of the otherwise occult ligamentous injuries. On the basis of location and appearance of the fibular fracture, the four types of injuries are immediately identified: pronation-abduction, pronation-lateral rotation, supination-adduction, and supination-lateral rotation. Subsequent assessment for medial malleolar fracture and then posterior malleolar fracture defines the stage of completeness of the injury and localizes the sites of ligamentous disruption. DOI: 10.2214/ajr.135.5.1057