Aviator's Astragalus

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Fractures included under this name include compression fractures of the talar neck, fractures of the body, fractures of the posterior process, or fracture dislocation injuries. The talar neck is the most frequently injured site and the talus is the second most injured bone in the foot (calcaneus is first). Proximal avascular necrosis is a potential complication of neck fractures. These fractures were named during the early days of aviation when crashes were more common.
 - Click on the image for a larger versionALateral radiograph of the ankle. This shows a displaced fracture of the talar neck.
 - Click on the image for a larger versionBMortise radiograph of the ankle. This better shows the involvement of the fracture.

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