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Syndesmosis injury
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Syndesmosis injury

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Contributors: Robert Lachky MD, Eric Ingerowski MD, FAAP
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Synopsis

A syndesmosis injury is severe and occurs where energy enters the ankle medially, travels up the syndesmosis, and then exits laterally, disrupting the distal attachment of the tibia and fibula. It may result in a medial malleolus or deltoid ligament injury. A Maisonneuve fracture pattern is when the proximal fibula breaks as well. It is possible to have syndesmotic injury without fracture; this is often called high-ankle sprain and represents approximately 6% of all ankle sprains without fracture.

Men are 3 times more likely than women to injure the syndesmosis, but this condition can occur in any adult. This injury usually occurs during high-level athletic competition such as ice hockey, football, soccer, or rugby.

The patient will sustain a twisting injury to the ankle followed by an inability to bear weight. Pain is felt along the medial ankle and along the syndesmosis, and may be diffuse involving entire ankle.

Pediatric Patient Considerations:
Syndesmotic injuries can occur in children and adolescents; they are usually related to sports activities, in particular football and soccer (due to cutting and pivoting) and skiing and hockey (due to rigid ankle immobilization).

Related topics: Ankle fracture, Ankle sprain

Codes

ICD10CM:
S93.439A  – Sprain of tibiofibular ligament of unspecified ankle, initial encounter

SNOMEDCT:
74383007 – Sprain of distal tibiofibular ligament

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Last Reviewed: 10/10/2018
Last Updated: 10/17/2018
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Syndesmosis injury
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Syndesmosis injury : Ankle pain, Inability to bear weight, Joint swelling, Joint tenderness, Soft tissue swelling
Copyright © 2019 VisualDx®. All rights reserved.