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Posterolateral dislocation of the ankle without fracture
K Kaneko1, A Mogami, Y Maruyama
1Department of Orthopaedic Surgery, Juntendo University, School of Medicine, Tokyo, Japan. orthop-jun-izu@mx5.ttcn.ne.jp
Injury
|November 21, 2000
Summary
This case study details an uncommon open posterolateral ankle dislocation without fracture after a car accident. Successful treatment involved manual reduction, fixation, and deltoid ligament repair, yielding positive long-term outcomes.
Area of Science:
- Orthopedic Surgery
- Trauma Care
Background:
- Ankle dislocations are often posteromedial.
- Anterolateral, posterolateral, and superior talar dislocations are less common.
- Motor vehicle accidents are a frequent cause of severe ankle trauma.
Observation:
- An unusual case of open posterolateral ankle dislocation without associated fracture is presented.
- The injury resulted from a motor vehicle accident.
- The mechanism involved forced foot eversion during maximal plantar flexion and axial loading.
Findings:
- The patient underwent manual reduction and percutaneous fixation.
- Anatomical repair of the disrupted deltoid ligament was performed during débridement.
- The treatment resulted in good long-term functional and radiographic outcomes.
Implications:
- This case highlights a rare ankle dislocation variant.
- It underscores the importance of prompt surgical intervention for open ankle dislocations.
- Successful management can lead to favorable patient recovery and joint stability.