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Role of Fibula in Tibial Plateau fractures

- Discussion:
    - Tibial Plateau Frx Menu
    - condition of fibula, whether frxed or intact, determines angulatory behavior of these frx under wt bearing and functional conditions;
    - isolated frx of lateral plateau w/ intact fibula do not tend to collapse further because of the support of the fibula;
    - in contrast, frxs of both lateral plateau and fibula have tendency to collapse into valgus because of the loss of support of the fibula;
    - fractures of both condyles do not collapse or angulate when proximal fibula is fractured and displaced;
    - however, if fibula is intact, the medial plateau usually collapses creating a varus deformity