J Korean Orthop Assoc.  1994 Dec;29(7):1819-1827. 10.4055/jkoa.1994.29.7.1819.

Classification of the Calcaneal Fracture Based on Computed Tomography


The os calcis is most frequently fractured than any other tarsal bone and the displaced intraarticular fractures account for 60-75% of them. Because of complex contour of calcaneous, it is difficult to evaluate the pattern of fracture exactly by conventional roentgenograms. But recently, more detailed understanding of fracture pattern can be possible with CT scan, which is thought to be one of the most important factor in deciding method of treatment and predicting prognosis. From Jan. 1992 to Dec. 1992, intraarticular calcaneal fractures of 31 cases treated in Kyungpook university hospital were analysed preoperatively with CT scan and classified by Sanders classification system. The results were obtained as follows: 16 cases of 31 cases were classified as type II and this type were sudivided as IIA in 7 cases, IIb in 4 cases, IIC in 5 cases. Type III fractures were found in 9 cases and subdivided as III AB in 3 cases, III BC in 4 cases IIIAC in 2 cases. Type IV fractures were found in 6 cases.


Intra-articular calcaneal fracture; C.T classification
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