Ankle fracture - Weber C

Case contributed by Dr Heba Abdelmonem

Presentation

Motorcycle accident

Patient Data

Age: 19 years
Gender: Male

Avulsion of the malleolus tertius.

Spiral fracture of the middle fibular shaft.

Suspected fracture of the posterior tubercle of the talus versus Os trigonum.

Case Discussion

Weber C = Suprasyndesmotic fracture of the ankle includes:

  1. Rupture of the medial collateral ligament or avulsion of the medial malleolus.
  2. Rupture of the anterior syndesmosis.
  3. Fibula fracture above the level of the syndesmosis
  4. Avulsion of the malleolus tertius.

Weber C stage 3-4 are unstable.

The Maisonneuve fracture is a special form of the Weber C fracture. What makes it different is that the fracture of the fibula has to be demonstrated within the proximal third of the fibula shaft.

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