Comminuted fracture of the fibula with butterfly fragment on radiography
Comminuted fracture of the fibula with butterfly fragment on radiography
The frontal radiograph of the left fibula (A) shows a comminuted spiral fracture of the distal shaft. Image B shows the fracture outlined with black overlay, while image C reveals three fragments with the lightest turquoise green overlaying the triangular or butterfly fragment. The mechanism of this injury is usually a twisting or torsional injury (thick arrow). The interosseous membrane acts as a resisting force (thin arrows)accounting for the butterfly fragment.
Graphic 99866 Version 1.0
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