Hospital Sotero del Rio, Santiago, Chile
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Hospital Sotero del Rio, Santiago, Chile
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Orthopaedics Department of Minho University, Portugal
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Introduction Injuries to the posterolateral corner (PLC) of the knee have long been recognized as a component of knee instability, but the incidence was initially presumed to be infrequent. An early large single-centre study of 735 knee
Department of Orthopedics, AZ Monica, Deurne, Belgium
Department of Orthopedics, AZ Monica, Deurne, and University Hospital Antwerp, Edegem, Belgium
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Department of Orthopedics, AZ Monica, Deurne, Belgium
Department of Orthopedics, AZ Monica, Deurne, and University Hospital Antwerp, Edegem, Belgium
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Department of Orthopedics, AZ Monica, Deurne, Belgium
Department of Orthopedics, AZ Monica, Deurne, and University Hospital Antwerp, Edegem, Belgium
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Introduction Posterolateral rotatory instability (PLRI) was first described by O’Driscoll et al, 1 and while it is relatively uncommon, it is the most common form of chronic elbow instability. The lateral collateral ligament (LCL) complex
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with a separate posterolateral articular fragment. Bicondylar fracture (A0-OTA C type) analysis shows the existence of a posteromedial fragment in 30% 17 to nearly 65% 18 of fractures, affecting 23% of the medial plateau articular surface as a
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– indication for operative management of the PM fragment, for example 25% of the articular surface, is now replaced by a morphology-adapted approach. Here the biomechanical aspect of the unstable syndesmosis is the key ( 25 , 26 ). A direct posterolateral
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patients developed inferior adjacent segment disease and 28% superior adjacent segment disease. They concluded that these results were similar to posterolateral arthrodesis. Similarly to Schaeren et al and Hoppe et al, we have noted that it is not rare to
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ligament (and posterolateral corner) and medial collateral ligament (and posteromedial corner) ( Fig. 1 ). 1 These injuries are commonly classified using the Schenck classification system ( Table 1 ). 2 The incidence of these injuries has been
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extension. 9 Besides ligament anomalies, lateral femoral condyle hypoplasia and lateral tibial plateau flattening also represent relevant risk factors. 12 Dysplasia of the lateral compartment tends to increase the posterolateral rotatory
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Fig. 1 Lateral radiograph obtained after a posterolateral fracture dislocation (a). Fracture comminution of the radial head and coronoid are best appreciated by computed tomography (b). Complexity exists at multiple levels: decision
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Introduction Posterolateral humeral head defects (Hill-Sachs lesions) were first described in 1890 by Broca and Hartman and further classified by Hill and Sachs in 1940. 1 These defects are one of the most common findings in patients with
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posterior approaches with laminotomy and durotomy are similarly disliked by most surgeons as segmental nerve root resection may be required and the risk of cord injury is significant. 9 This leaves one of the posterolateral approaches as probably the
