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Segond fracture – small avulsed bone fragment from the lateral…
Segond fracture – small avulsed bone fragment from the lateral margin of the tibial plateau. Avulsion at this location is the result of excessive varus stress on the lateral joint capsule. It is a...
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Lipohaemarthrosis - literally means fat and blood within a…
Lipohaemarthrosis - literally means fat and blood within a joint. Its presence implies an intra-articular fracture with marrow fat having leaked out into the joint. Because fat is less dense than...
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Celery stalk sign - describes the appearance of an anterior…
Celery stalk sign - describes the appearance of an anterior cruciate ligament that has undergone mucoid degeneration (a common phenomenon). Its low signal longitudinal fibers are separated from each...
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Absent bow tie sign – a sagittal MRI knee sign of a displaced…
Absent bow tie sign – a sagittal MRI knee sign of a displaced meniscal tear (often bucket handle type). Normally the second (or even third) image through a meniscus ressembles the appearance of a bow...
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Arcuate sign - a subtle but important avulsion fracture of the…
Arcuate sign - a subtle but important avulsion fracture of the proximal fibula at the site of arcuate ligament complex insertion. It is associated with cruciate ligament injury in around 90% of cases...
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