Segond Fracture

The Segond fracture is an avulsion of the anterolateral tibia that can be found in patients with an anterior cruciate ligament ACL tear. WHERE DO THEY OCCUR Lateral tibial plateau just posterior to the attachment of the ilio-tibial band.

Segond Fracture Radiology Reference Article Radiopaedia Org Cruciate Ligament Tear Radiology Fracture

Segonds fracture is a well-recognised radiological sign of an anterior cruciate ligament ACL tear.

Segond fracture. While previous studies evaluated the role of the anterolateral ligament ALL and complex injuries on rotational stability of the knee there are no studies on the biomechanical effect of Segonds fracture in an ACL deficient knee. Pearls It is frequently a varus stress that leads to a lateral collateral complex injury. Reverse Segond fracture is one of the avulsion fracture of the knee which is due to avulsion of the deep fibers of the medial collateral ligament also known as the menisciotibial or coronary ligament involving the medial proximal tibia adjacent to the articular surface.

Segond fracture Tibia plateau lateral posterior avulsion Impaction LFC. This mechanism places tremendous force on the middle portion of the lateral capsule and associated meniscotibial ligament and results in a small bony avulsion. The X-ray showed a so-called Segonds fracture.

IS IT AN AVULSION FRACTURE OF THE ITB Its thought to be related to the tibial insertion. A small avulsed bone fragment elliptical in shape lying immediately below the external tibial plateau a few millimeters from the lateral tibial cortex. The authors report a case of acute knee injury in a 14-year-old teenager.

The fracture site was in the portion of the tibial condyle which is linked to the middle third of the lateral capsule. Biomechanical studies that have attempted to reproduce this fracture in vitro have reported conflicting findings. 610 In terms of positive predictive value a Segond fracture is found in less than 1 of other types of knee injuries and is thus most frequently linked to an ACL injury.

The same approach we have for lateral fibula and tibial spine avulsion fractures. They are especially important because they are pathognomonic of a more complex knee injury an anterior cruciate ligament ACL rupture. A bony injury of the anterolateral ligament of the knee.

When assigning the diagnosis of Segond fracture the radiologist conveys information of increased risk of. A Segond fracture has an associated ACL injury 75 to 100 of the time 35 and it occurs in approximately 9 to 12 of all ACL tears. The Segond fracture is generally described as an avulsion-type fracture indicating the detachment of a bone fragment by the pull of a ligament or tendon from its insertion point.

A Segond fracture is defined as a small elliptic avulsion fracture of the proximal lateral tibia. It is currently unclear if the Segond fracture needs treatment or if it heals spontaneously and if it is associated with an increased risk of. 6 In skeletally immature patients the link between Segond fractures and ACL injury may not be as.

It is considered highly suggestive of anterior cruciate ligament ACL lesion in the adult population. There are few cases of Segond fractures in adolescent in literature. Although the Segond fracture remains a useful radiographic clue for indirect detection of anterior cruciate ligament injuries the Segond fracture should be considered a frank ligamentous avulsion itself.

This fracture is associated with intra-articular knee pathology such as anterior cruciate ligament ACL rupture 75100 of. We present a case of a Segond fracture with parcial ACL lesion in an adolescent. The reverse Segond fracture represents cortical avulsion caused by a tug injury from deep fibers of the medial collateral ligament MCL at their attachment to the medial tibial plateau.

It represents a rupture of the lateral capsular fibers of the iliotibial tract or anterior oblique band of the lateral collateral ligament. The Segond fracture has been stated as having an average length of 10 mm Shaikh et al. Hypothesis Avulsion lesions are a possible goal for refixing important lateral structures.

Segond fracture is a rare lesion in adolescents resulting from rotational forces in the knee. The Segond fracture is associated with ACL tear in 10 of cases. Segond fractures are defined as an avulsion type fracture of the lateral proximal tibia at the attachment of the anterolateral ligament.

Recently some authors have attributed its pathogenesis to the anterolateral ligament ALL. 1 This fracture is associated with posterior cruciate ligament PCL injury and medial meniscal tears the reverse pattern of conventional Segond. They are especially important because they are pathognomonic of a more complex knee injury an anterior cruciate ligament ACL rupture.

Segond fractures are defined as an avulsion type fracture of the lateral proximal tibia at the attachment of the anterolateral ligament. Among 4 studies 11 of 292 38 graft failuresrevision surgeries were reported in the groups that had Segond fracture whereas 145 of 2114 69 graft failuresrevision surgeries were reported in groups that did not have Segond fracture. WHAT TO LOOK FOR Segond Fractures are fractures of the lateral tibial plateau often associated with ACL tears.

Due to the 5 mm diameter sphere which defined the portion being measured 3 ROIs were used to sample the full diameter of the Segond site and to map any. One study reported 12 patients who underwent ACL reconstruction and repair of a Segond fracture. The Segond fracture was classically described as an avulsion fracture of the anterolateral capsule of the knee.

Paul Segond first described this fracture in 1879 as a resistant fibrous band in the lateral compartment of the knee whose traction injury determines a cortical avulsion of the lateral proximal tibia. Segond fractures typically occur by forced internal tibial rotation with the knee flexed. WHAT TO LOOK FOR Read More.

It is the result of a forced internal rotation with varus stress injury in a flexed knee. A segond fracture is an avulsion fracture located in the lateral aspect of the tibial plateau of the knee. A Segond fracture is a small vertical avulsion injury of the lateral aspect of the proximal tibia just distal to the plateau.

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