Materials and Methods: CT examinations of 12 calcanea from 10 patients were performed on a Elscient 2 400E CT Scanner including 10 calcaneal fractures and 2 normal calcaneal.

• 材料和方法：取10例患者的12只跟骨CT二维图像，包括10例跟骨骨折，2例正常跟骨。