PubMed · 17054892
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Christopher W DiGiovanni, Adam Brodsky. 2006. Current concepts: lateral ankle instability.. https://doi.org/10.1177/107110070602701019
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We present a patient with an exceptional fracture type--a Maisonneuve fracture associated with a lateral ankle fracture--and the therapy of this injury. The Maisonneuve fracture consists of a proximal fibular fracture which is associated with failure of the deltoid ligament or medial malleolus and diastasis of the distal tibiofibular syndesmosis. Diverse nerves of the lower leg can be affected by severe trauma as well as by fracture-associated complications or an operation. Fracture fragments, an excessive distension caused by the trauma, or a fracture-associated hematoma can cause injury to the deep peroneal nerve or the branches of the superficial peroneal nerve at the level of the ankle. We want to point out the possibility of nerve lesions of the lower leg associated with this complex fracture. Additionally the operative access to the ankle in this context is discussed.
Conventional radiography plays an essential role in the primary evaluation of acute ankle and foot trauma. In the case of complex injuries, however, subsequent computed tomography (CT) is nowadays recommended. In this connection, multidetector computed tomography (MDCT) allows better temporal, spatial, and contrast resolution compared with the conventional single-slice spiral CT. Multiplanar reformation and three-dimensional reconstruction of the acquired data sets are also helpful tools for critical assessment of therapeutic intervention. This report reviews the potential of the MDCT technique for accurate fracture classification, precise illustration of displaced components, and postoperative control of arrangement of typical lesions.
Children commonly present with acute inversion injuries of the ankle. Radiographs occasionally show small fragments under the tip of the lateral malleolus. The purpose of our study was to clarify their origin. A prospective standardized clinical examination and a magnetic resonance imaging were carried out. Among the 116 included patients, seven of them showed an os subfibulare. They presented more pains on the lateral ankle area than the other children. We found also more injuries on the anterior talofibular ligament. The os subfibulare could be secondary to an accessory ossification but the lateral area of the ankle would be likely to be injured.