WebTo demonstrate the magnetic resonance (MR) imaging characteristics of patellar sleeve fracture, a cartilaginous avulsion from the lower pole of the patella occurring during … WebTo demonstrate the magnetic resonance (MR) imaging characteristics of patellar sleeve fracture, a cartilaginous avulsion from the lower pole of the patella occurring during forceful contraction of the quadriceps muscle against a partially flexed knee. Materials and methods:
Unraveling the Posterolateral Corner of the Knee RadioGraphics
WebThe patella is attached to the shinbone (tibia) by the patellar tendon. Working together, the quadriceps muscles, quadriceps tendon, and patellar tendon form a pulley mechanism to straighten the knee. The knee and tendons. Muscles are connected to bones by tendons. Description Quadriceps tendon tears can be either partial or complete. WebOct 11, 2016 · The anatomy, biomechanics, imaging appearances, and injury patterns of the posterolateral corner of the knee are described in this review article. Although rare, posterolateral corner (PLC) injuries can result in sustained instability and failed cruciate ligament reconstruction if they are not diagnosed. The anatomy of the PLC was once … oiling leather books
Osteochondral Lesions of the Knee: Differentiating the Most …
Patients who experience multiple patellar dislocations are more likely to have anatomical variants of the trochlea, patellar alta, or tibial tubercle lateralization. Of course, if medial soft tissue restraints are disrupted at the first dislocation, the loss of such restraints makes future dislocations more likely. Areas of … See more Transient lateral patellar dislocation. Although you may feel that being asked to make the specific diagnosis of lateral patellar dislocation from a single image is unrealistic, the … See more The pattern of bone bruising seen in a transient lateral patellar dislocation is easy to understand if one considers the mechanism of injury. … See more Bone bruises at the anterolateral aspect of the lateral femoral condyle and at the inferomedial patella are the most constant findings in patients who have sustained a recent patellar dislocation. Osteochondral injuries of the … See more The most important soft tissue passive stabilizers involved in patellofemoral dislocation injuries have traditionally been referred to as the MPFL and the medial retinaculum. Despite … See more WebThis test aims to sublux (partially dislocate) the lateral tibia posterolaterally, which then relocates at approximately 40° of knee flexion, constituting a positive test. A positive test indicates a PLC injury with a markedly positive test suggestive of a combined PLC- … WebJan 8, 2024 · Recurrent patellar dislocation is a common disease, especially in adolescents and young adults whose disease rate can be 29 per 100,000 [ 1 ]. Many factors can contribute to recurrent patellar dislocation, and surgeons need to select surgical techniques which range from soft tissue surgery to bony correction. myipcs co login