Unstable ankle injury

Case contributed by Dr Jeffrey Robinson

Presentation

Leg and ankle pain after being struck by auto

Patient Data

Age: 40
Gender: Male

3V Ankle

X-ray

Minimally comminuted fibular fracture with mild widening of the distal tibiofibular syndesmosis.

Manual stress view

X-ray

Further widening of the syndesmosis with complete disruption of the deltoid ligament, allowing lateral subluxation and valgus angulation of the talus with respect to the tibial plafond.

Intraoperative spot radiograph

Fluoroscopy

Screw-plate stabilization of the fibular fracture and trans-syndesmotic screw stabilizing the ankle mortise.

Case Discussion

Stress radiography determines the stability of the ankle joint. Using either gravity or manual technique, a stress view allows visualization of disrupted ligaments. This injury can be considered a Weber C fracture, which requires a stress view to complete the imaging evaluation.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.