Zerrung im Chopartgelenk

Midtarsal sprains are common injuries of the foot but are often under-recognized both clinically and radiologically. They commonly occur with lateral ankle sprains.

Epidemiology

In patients undergoing MRI for acute ankle trauma, up to 19% will have a midtarsal sprain .

Pathology

The mechanism of injury can be inversion (most common, up to 75%) +/- plantarflexion, or eversion .

Inversion-related fractures in midtarsal sprains occur in three main patterns :

Eversion-related fractures in midtarsal sprains result in two main patterns :

  • medial column distraction injuries
    • navicular tuberosity: tibialis posterior avulsion / superomedial spring ligament
  • lateral column impaction fractures
    • calcaneocuboid joint impaction fractures
Associations
Siehe auch: