Abstract

• We have experienced three cases of posterior cortical fracture of tibia during the removal of interlocking intramedullary nail which was made of titanium alloy with the prominent distal angulation. And we observed the distal translation of entry point in one case. The main reason of posterior tibial cortical fracture can be explained by the following statements : (a) prominent distal angulation increases cross sectional surface of nail in medullary canal at the time of extraction and (b) the distal translation of entry point increases the interface of posterior cortex at the time of extraction. In conclusion, we advise caution in the extraction of tibial nail of distally translated entry point which have a prominent distal angulation.
• Key words: Tibia, Posterior cortical fracture, Interlocking intramedullary nail, Extraction

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