Maisonneuve fracture

Background

• Medial malleolar Fx or complete deltoid ligament tear, syndesmotic ligament tear, and proximal fibular Fx

Diagnosis

• prox fibular Fx can also damage the common peroneal nerve which supplies tibialis anterior and sensation to the first web space.

Treatment

• can be treated without surgery if mortise is intact, but usually requires a syndesmotic screw. diastasis on plain films indicates an unstable mortise and surgical repair required.