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Foot & Ankle
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Syndesmotic Instability

Ankle Trauma

A 28-year-old male presents after an eversion and external rotation injury to the right ankle during a tackle. Radiographs reveal a Weber C fibula fracture with 5mm medial clear space widening. There is no deltoid ligament visible on MRI. Regarding syndesmotic injuries:

Mark each as TRUE or FALSE

A

The syndesmosis comprises four ligaments: anterior inferior tibiofibular ligament (AITFL), posterior...

B

Weber C fractures are by definition above the syndesmosis and imply syndesmotic disruption; the Laug...

C

Syndesmotic fixation should be placed with the ankle in plantarflexion to prevent overtightening; a ...

D

Intraoperative assessment includes direct visualization, the Cotton hook test, and fluoroscopic stre...

E

Suture button constructs (TightRope) offer similar stability to screw fixation with the advantage of...

Answer the questions to see explanations

Click T (True) or F (False) for each option