Key result
A Segond fracture can occur with an intact ACL, but may be associated with serious injury to the posterolateral corner requiring surgical reconstruction.
Case Report (n=1)
A Segond fracture is not pathognomonic for ACL injury and should raise suspicion for other serious soft tissue injuries, such as to the posterolateral corner.
Segond fracture with intact ACL warrants posterolateral corner assessment; this case report leaves open prevalence and management standards.
The Segond fracture is an avulsion fracture of the lateral tibial plateau and is considered pathognomonic for anterior cruciate ligament (ACL) injury. A case of a Segond fracture occurring with a clinically, radiologically and arthroscopically intact ACL is presented. This was associated with a serious injury to the posterolateral corner requiring surgical reconstruction. Relevant literature is discussed, and the suggestion is made that, whilst an ACL rupture may be the most commonly noted soft tissue component associated with a Segond fracture, the clinician should have a high level of suspicion for other serious soft tissue injuries. Level of evidence V.
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Wharton et al. (2014) conducted a case report in Segond fracture (n=1). Segond fracture was evaluated on ACL integrity and associated injuries. A Segond fracture can occur with an intact ACL, but may be associated with serious injury to the posterolateral corner requiring surgical reconstruction.
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