Lisfranc's Tarsometatarsal Fracture—Dislocation

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Abstract
Lisfranc''s fracture-dislocation is an injury at the tarsometatarsal joints. Usually the metatarsals dislocate dorsally and laterally. These fractures can be subtle, and a knowledge of the normal relationships is essential. Review of foot radiographs indicated that the most constant normal relationship of the tarsometatarsal joints was the alignment of the 2nd tarsometatarsal joint, which, fortunately, was involved in most Lisfranc''s dislocations. There was more variation in normal alignment of the other tarsometatarsal joints, but gross abnormalities were detectable, and the presence of associated chip fractures and clinical correlation usually clarified more subtle cases.

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