Injury to the posterior malleolus in Maisonneuve fractures.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: All authors declare that they have no conflict of interest. 4. Eur J Trauma Emerg Surg. 2022 Jun;48(3):2433-2439. doi: 10.1007/s00068-021-01786-x. Epub 2021 Sep 14. "Double Maisonneuve fracture": an unknown fracture pattern. Kašper Š(1), Bartoníček J(1), Rammelt S(2), Kamin K(2), Tuček M(3). Author information: (1)Department of Orthopaedics, First Faculty of Medicine, Charles University and Military University Hospital Prague, U Vojenské Nemocnice 1200, 169 02, Prague 6, Czech Republic. (2)University Center for Orthopaedics, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus at TU Dresden, Fetscherstrasse 74, 01307, Dresden, Germany. (3)Department of Orthopaedics, First Faculty of Medicine, Charles University and Military University Hospital Prague, U Vojenské Nemocnice 1200, 169 02, Prague 6, Czech Republic. tucekmic@gmail.com. PURPOSE: The aim of this study was to describe pathoanatomy and to raise awareness of a fracture of the lateral malleolus combined with a high subcapital fracture of the fibula caused by a dislocation mechanism. METHODS: The study comprised 11 patients, 5 men and 6 women, with the mean age of 57 years (range, 21-87), with a "Double Maisonneuve fracture". Individual lesions of ankle structures were described on the basis of radiographs, CT, and intraoperative findings. RESULTS: The distal fibular fracture was classified as Weber type B in 1 case and Weber type C in 10 cases. The proximal fibular fracture was described as a subcapital oblique spiral fracture with metadiaphyseal involvement in nine cases and a high short oblique fracture with fibular head involvement in two cases. Injury to the deltoid ligament was revealed in six cases; a bicollicular fracture of the medial malleolus was found in five patients. Posterior malleolar fractures were classified as type 1 in eight cases and type 2 in three cases. Avulsion of the Chaput tubercle was detected in four cases. Injury to the interosseous tibiofibular ligament was assessed in nine patients. CONCLUSION: Double Maisonneuve fracture is a rare but probably underreported injury that must be taken into consideration during examination, as it may be easily overlooked. The essential part of diagnosis is a careful clinical examination and radiological assessment of the lower leg with additional CT examination of the ankle. © 2021. Springer-Verlag GmbH Germany, part of Springer Nature. DOI: 10.1007/s00068-021-01786-x