Tillaux-Chaput avulsion fracture
| Tillaux-Chaput avulsion fracture | |
|---|---|
| Classification and external resources | |
| ICD-10 | S82.3 |
| AO | 43-A1 |
A Tillaux fracture is a Salter–Harris type III fracture through the anterolateral aspect of the distal tibial epiphysis.[1] It occurs in older adolescents between the ages of 12 and 15 when the medial epiphysis had closed but before the lateral side has done so,[2] due to an avulsion of the anterior tibiofibular ligament, at the opposite end to a Wagstaffe-Le Fort avulsion fracture
Etymology
This fracture pattern is named after Paul Jules Tillaux, a French Anatomist and Surgeon (1834-1904).[citation needed]
Mechanism
The fracture commonly results from an abduction-external rotation force, causing the anterior tibiofibular ligament to avulse the anterolateral corner of the distal tibial epiphysis resulting in a Salter Harris Type III fracture.[citation needed]
Epidemiology
It occurs commonly in adolescents and older children. However, it does occur rarely in adults though it may be under reported because of difficulty in diagnosis.[3]
Pathology
It occurs in older children at the end of growth. Variability in fracture pattern is due to progression of physeal closure as anterolateral part of distal tibial physis is the last to close. When the lateral physis is the only portion not fused, external rotation may lead to Tillaux or Triplane fractures.[citation needed]
Treatment
If the displacement at fracture is less than 2 mm, it may be managed conservatively. However, displacement of more than 2mm requires open reduction and internal fixation with 1-2 lag screws to prevent onset of post-traumatic osteoarthritis.[citation needed]
See also
References
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