Simplified diagnostic algorithm for Lauge-Hansen classification of ankle injuries.

Radiographics

Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA 02115, USA.

Published: July 2012

AI Article Synopsis

  • Ankle injuries can be categorized using the Lauge-Hansen classification system, which is based on how the injury occurs.
  • To properly classify these injuries, three specific x-ray views are required: anteroposterior, mortise, and lateral, along with understanding the foot's position and direction of the force during the injury.
  • Visual aids like three-dimensional movies demonstrate the sequence of ligament and bone damage for each type of injury in the system.

Article Abstract

Ankle injuries occur in a predictable sequence, allowing a logical understanding of their classification once the injury mechanism is recognized. The Lauge-Hansen classification system was developed on the basis of the mechanism of trauma and is useful for guiding treatment. Three radiographic views of the ankle (anteroposterior, mortise, and lateral) are necessary to classify an injury with the Lauge-Hansen system. Two additional criteria are also necessary: the position of the foot at the time of injury and the direction of the deforming force. Because understanding the mechanism of trauma is fundamental to classifying the injury, three-dimensional movies were assembled for each classification, showing the sequence of ligament rupture and bone fractures that occurs with each type of traumatic mechanism. Supplemental material available at http://radiographics.rsna.org/lookup/suppl/doi:10.1148/rg.322115017/-/DC1.

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Source
http://dx.doi.org/10.1148/rg.322115017DOI Listing

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