What is the role of MRI in the diagnosis of Lisfranc fracture dislocation?

Updated: Apr 20, 2020
  • Author: Nirmal Tejwani, MD, MPA; Chief Editor: Thomas M DeBerardino, MD  more...
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Answer

When compared with CT and weightbearing radiography, magnetic resonance imaging (MRI) has an advantage in identifying partial ligament injuries and subtle ligament injuries.

With this technology, one can identify isolated tears of the Lisfranc ligament, as well as associated injuries to the interosseous ligaments. Raikin et al showed that MRI is accurate for detecting traumatic injury of the Lisfranc ligament and for predicting Lisfranc joint complex instability when the plantar Lisfranc ligament bundle is used as a predictor. [20]  Rupture or grade 2 sprain of the plantar ligament between the first cuneiform and the bases of the second and third MTs is highly suggestive of an unstable midfoot, which will require stabilization.


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