Cotton fracture is a trimalleolar ankle fracture involving the medial malleolus, lateral malleolus, and posterior malleolus (posterior aspect of tibial plafond) 1. It is differentiated from Pott's fracture (bimalleolar fracture) by the presence of a separate posterior fragment.
Classification
History and etymology
Named after Frederic J. Cotton (1869 - 1939), Orthopaedic surgeon, Boston City Hospital, Boston1.
Cotton presented a comprehensive analysis of 53 cases of bimalleolar fractures involving posterior luxation and fracture of posterior malleolus (posterior aspect of tibial plafond). The presentation elucidated the underlying mechanism of action, and outlined the reduction technique and treatment protocol for these fractures 1.
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