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Segond fracture is an avulsion fracture of the knee that involves the lateral aspect of the tibial plateau and is very frequently (~75% of cases) associated with disruption of the anterior cruciate ligament …

Large suprapatellar joint effusion. A curvilinear osseous fragment is projected parallel to the lateral margin of the tibial epiphysis consistent with a Segond fracture. Further evaluation with MRI is …

Segond fracture is an avulsion fracture of the knee that involves the lateral aspect of the tibial plateau and is very frequently (~75% of cases) associated with disruption of the anterior cruciate ligament …

Segond fracture is a type of avulsion fracture of the lateral tibial plateau and the reverse Segond fracture is an avulsion of the deep capsular component of the medial collateral ligament (MCL).

So a Segond fracture is an avulsion fracture of the proximal tibia immediately distal to the level of the lateral tibial plateau.

An avulsive fracture is seen involving the lateral tibial plateau, compatible with a Segond fracture.

Segond fractures are an avulsion fracture of the knee that involve the lateral aspect of the tibial plateau. Commonly associated injuries include ACL and meniscal tears (as is demonstrated in this case).