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Abstract
Based on anatomical and computed tomographic data as well as experience with the treatment
of 30 patients with fracture-dislocation of the tarsometatarsal (Lisfranc) joint,
a pathophysiological model is described in which the shape of the foot and ligamentous
configuration in combination with applied forces are of pivotal importance.
CT imaging helps to elucidate the extent of the lesions, easily overlooked in straight
radiographs. In the transverse plane we discern three grades of dislocation. Grade
1, virtually no displacement; grade 2, dislocation of half of the shaft; grade 3,
total displacement. Treatment is generally dictated by the severity of the lesion
and ranges from plaster application to open reduction and internal fixation. Quality
of reduction is easily visualized with CT imaging.
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References
- CT evaluation of tarso-metatarsal fracture dislocation injuries.AJR. 1985; 144: 985
- Lisfranc dislocations: fractures and/or dislocations through the tarsometatarsal joints.Injury. 1983; 15: 261
- Verrenkungsbrüche des Lisfranschen Gelenkes, Konservative Verfahren und perkutanen Osteosynthesen.Hefte zur Unfallheilkunde. 1977; 134: 105
- Injuries of the tarso-metatarsal joints. Etiology, classification and results of treatment.J. Bone Joint Surg. 1972; 54B: 677
Article info
Publication history
Accepted:
March 28,
1991
Identification
Copyright
© 1992 Published by Elsevier Inc.
