Ankle trimalleolar fracture - Weber C and posterior malleolus fractures with deltoid ligament injury

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Fall. Rolled right ankle.

Patient Data

Age: 25 years
Gender: Male

Distal fibular fracture (Weber C), which is posterolaterally displaced. Lateral talar shift with medial clear space widening indicating deltoid ligament rupture. An undisplaced posterior malleolus fracture is also present.

Case Discussion

This combination of distal fibular, deltoid ligament rupture, and posterior malleolus fracture is equivalent to a trimalleolar fracture. 

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