PubMed · 14913980
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A V BURDICK. 1952. Calcaneus.. https://pubmed.ncbi.nlm.nih.gov/14913980/
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The integral classification of injuries (ICI) is a very logical, descriptive classification of fractures and dislocations of the human skeleton. By enumerating all 28 foot bones in relation to the three anatomical and functional regions of the foot, ie, hindfoot (81), midfoot (82), forefoot (83), from proximal to distal, and by introducing lowercase letters for the joints of the foot skeleton,the localization of the injury can be described precisely. The uppercase A defines extra-articular, B describes intra-articular and C is for fracture dislocations. By introducing the uppercase D, different dislocations can be described. By using additional lowercase Greek letters, the direction of a dislocation can be coded. For simple 'everyday' use, a fracture of the calcaneus(81.2) involving three joints can be described as a B3-fracture. For scientific or database coding purposes, one can describe in square brackets which joints or segments are involved and how they are injured in relation to three different subgroups representing first the tissue (bone, cartilage, capsule, and ligaments),second the kind of injury (three graduations of fracture, cartilage, or ligament damage), and third (three graduations) the extent of the dislocation or displacement. Following ten conventions, a complex foot trauma can be coded as precisely as a simple dislocation of the big toe.
Magnetic resonance imaging (MRI) can clearly visualize both the ossification centers and surrounding cartilage of growing bones and enable a three-dimensional analysis of their positional relationships by using overlapping images. The calcaneal position was evaluated based on five newly proposed parameters of magnetic resonance images in 30 clubfeet of 18 infants with the bimalleolar and lower leg axes as reference lines. Sixteen unaffected feet in the unilateral cases were analyzed as normal feet. MRI showed that the calcaneus in clubfoot rotated internally, medially and posteriorly with reference to the bimallelar axis and that it took an equinus and a varus position with reference to the lower leg axis as compared with the normal foot. These five parameters and their normal values on the calcaneal position should be useful for the evaluation of infantile clubfeet.
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