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An x-ray image of a spiral fracture to the left humerus (upper arm bone) of a 27-year-old male. The injury was sustained during a fall. A spiral fracture (a.k.a. torsion fracture) is a bone fracture occurring when torque (a rotating force) is applied along the axis of a bone. [1]
The mortise view is an AP x-ray taken with the ankle internally rotated 15-20 degrees since the foot is naturally externally rotated relative to the ankle. [9] In addition to these views, a full-length view of the tibia and fibula may be necessary to evaluate for injuries to the proximal fibula associated with Maisonneuve fractures. [citation ...
To account for the distal fibula being slightly posterior to the distal tibia, drill holes are angled at 30° from the anteromedial aspect of the tibia to the posterolateral aspect of the fibula. [4] [12] [15] Trans-syndesmotic screws can be inserted in this way to ensure tibia fixation. Additional supra-syndesmotic screws may be temporarily ...
Dysplastic appearance to the fibula. Pseudarthrosis can be located on either of the two bones of the tibial segment. The prognosis is good if the lesion is located only on the fibula, extension to the tibia has a prognosis similar to type II VI Associated with an intraosseous fibroma or a schwannoma. The prognosis depends on the aggressiveness ...
Parallel to the bone's long axis more images: Transverse fracture At a right angle to the bone's long axis May occur when the bone is bent, [37] and snaps in the middle. Oblique fracture Diagonal to a bone's long axis (more than 30°) more images: Spiral fracture or torsion fracture At least one part of the bone has been twisted (image shows an ...
The most common type of fibula fracture is located at the distal end of the bone, and is classified as ankle fracture. In the Danis–Weber classification it has three categories: [5] Type A: Fracture of the lateral malleolus, distal to the syndesmosis (the connection between the distal ends of the tibia and fibula).
A fractured fibula in addition to detaching the medial malleolus will tear the tibiofibular syndesmosis. [2] The combined fracture of the medial malleolus, lateral malleolus, and the posterior margin of the distal end of the tibia is known as a "trimalleolar fracture". [3] An example of Pott's fracture would be in a sports tackling injury.
The injury is most commonly treated by open reduction internal fixation as closed reduction is made difficult by the entrapment of the fibula behind the tibia. [1] The entrapment of an intact fibula behind the tibia was described by Ashhurst and Bromer in 1922, who attributed the description of the mechanism of injury to Huguier's 1848 ...