![]() The talus externally rotates and applies stress to the medial aspect of the ankle and may cause deltoid ligament rupture or medial malleolus fracture. This extreme force places significant strain on the bones and ligaments that make up the ankle joint and often results in instability. Maisonneuve fractures are a result of external rotation of a planted foot, most often with pronation of the foot. Figure 1b: Anterior Anatomic View of the Lower Leg.Figure 1a: Medial and Lateral Anatomic Views of the Ankle.The articular surface of the ankle is formed by the joining of the superior surface of the talus, medial malleolus of the tibia, and lateral malleolus of the fibula ( Figures 1a-b). ![]() When disrupted the patient will experience instability in their gait, with possible pain and the potential to develop early osteoarthritis. The ankle provides stability while adapting to the surface one walks on and allows for the ability to invert, evert, plantarflex, and dorsiflex the foot. The ankle joint is composed of the distal tibia and fibula, and talus, connected by several soft tissue attachments. This injury is extremely important to not miss in the emergency department as it can result in poor outcomes if left untreated. There is limited information available in the literature regarding this fracture pattern, but it is believed to occur more often than what is reported. By applying external rotation to the foot, many of the stabilizing structures of the ankle are at risk of injury. ![]() In 1840 Jacques Gilles Maisonneuve, a French surgeon, described the fracture pattern through cadaveric studies that is now named after him. Fried, Brian Gilmer, MD, Stephen Knecht, MD Introduction: Home » Patient Info » Conditions and Procedures » Foot & Ankle » Maisonneuve Fracture Maisonneuve Fracture Jordan W.
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