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OrthoVellum

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Foot & Ankle
intermediate
X-Type

Ankle Syndesmosis Injury

Ankle Trauma

A 28-year-old rugby player presents after an external rotation injury to his ankle during a tackle. He has significant pain above the ankle joint rather than over the malleoli. Examination reveals tenderness over the anterior tibiofibular area, a positive squeeze test, and a positive external rotation stress test. Radiographs show subtle widening of the tibiofibular clear space. There is no fracture visible. Regarding ankle syndesmosis injuries:

Mark each as TRUE or FALSE

A

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

B

External rotation is the primary injury mechanism for syndesmosis injury ("high ankle sprain"); clin...

C

The syndesmosis consists of two ligaments; the PITFL is weakest and tears first; inversion is the pr...

D

Stable syndesmosis injuries (no diastasis on stress views) can be treated conservatively with protec...

E

Syndesmotic screws may be removed at 8-12 weeks or left in situ (some evidence supports leaving); ma...

Answer the questions to see explanations

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